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Finding the Fourth Proportional to 52,459.32, 72,391.59 and 29,798.24

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Solution

The fourth proportional to 52,459.32, 72,391.59 and 29,798.24 is: 41,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,459.32 : 72,391.59 = 29,798.24 : x
  2. Step 2: Convert to fraction form
    52,459.32/72,391.59 = 29,798.24/x
  3. Step 3: Cross multiply
    52,459.32x = 72,391.59 × 29,798.24
  4. Step 4: Simplify right side
    52,459.32x = 2,157,141,972.80
  5. Step 5: Solve for x
    x = 2,157,141,972.80/52,459.32
  6. Step 6: Final answer
    x = 41,120.28

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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.