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Finding the Fourth Proportional to 13,073.04, 18,040.88 and 7,104.76

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Solution

The fourth proportional to 13,073.04, 18,040.88 and 7,104.76 is: 9,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.04 : 18,040.88 = 7,104.76 : x
  2. Step 2: Convert to fraction form
    13,073.04/18,040.88 = 7,104.76/x
  3. Step 3: Cross multiply
    13,073.04x = 18,040.88 × 7,104.76
  4. Step 4: Simplify right side
    13,073.04x = 128,176,122.59
  5. Step 5: Solve for x
    x = 128,176,122.59/13,073.04
  6. Step 6: Final answer
    x = 9,804.61

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Half scale
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Double scale
Find fourth proportional to 13,074.04, 18,042.26 and 7,105.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.