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Finding the Fourth Proportional to 7,034.76, 9,705.06 and 4,518.35

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Solution

The fourth proportional to 7,034.76, 9,705.06 and 4,518.35 is: 6,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.76 : 9,705.06 = 4,518.35 : x
  2. Step 2: Convert to fraction form
    7,034.76/9,705.06 = 4,518.35/x
  3. Step 3: Cross multiply
    7,034.76x = 9,705.06 × 4,518.35
  4. Step 4: Simplify right side
    7,034.76x = 43,850,809.33
  5. Step 5: Solve for x
    x = 43,850,809.33/7,034.76
  6. Step 6: Final answer
    x = 6,233.45

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Half scale
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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.