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Finding the Fourth Proportional to 29,854.01, 40,931.53 and 29,320.92

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Solution

The fourth proportional to 29,854.01, 40,931.53 and 29,320.92 is: 40,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,854.01 : 40,931.53 = 29,320.92 : x
  2. Step 2: Convert to fraction form
    29,854.01/40,931.53 = 29,320.92/x
  3. Step 3: Cross multiply
    29,854.01x = 40,931.53 × 29,320.92
  4. Step 4: Simplify right side
    29,854.01x = 1,200,150,116.61
  5. Step 5: Solve for x
    x = 1,200,150,116.61/29,854.01
  6. Step 6: Final answer
    x = 40,200.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.