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Finding the Fourth Proportional to 29,468.97, 40,402.01 and 28,935.90

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Solution

The fourth proportional to 29,468.97, 40,402.01 and 28,935.90 is: 39,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,468.97 : 40,402.01 = 28,935.90 : x
  2. Step 2: Convert to fraction form
    29,468.97/40,402.01 = 28,935.90/x
  3. Step 3: Cross multiply
    29,468.97x = 40,402.01 × 28,935.90
  4. Step 4: Simplify right side
    29,468.97x = 1,169,068,376.48
  5. Step 5: Solve for x
    x = 1,169,068,376.48/29,468.97
  6. Step 6: Final answer
    x = 39,671.17

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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.