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Finding the Fourth Proportional to 7,995.36, 11,041.20 and 7,559.04

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Solution

The fourth proportional to 7,995.36, 11,041.20 and 7,559.04 is: 10,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.36 : 11,041.20 = 7,559.04 : x
  2. Step 2: Convert to fraction form
    7,995.36/11,041.20 = 7,559.04/x
  3. Step 3: Cross multiply
    7,995.36x = 11,041.20 × 7,559.04
  4. Step 4: Simplify right side
    7,995.36x = 83,460,872.45
  5. Step 5: Solve for x
    x = 83,460,872.45/7,995.36
  6. Step 6: Final answer
    x = 10,438.66

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Half scale
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Double 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.