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Finding the Fourth Proportional to 29,473.28, 40,673.76 and 16,727.28

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Solution

The fourth proportional to 29,473.28, 40,673.76 and 16,727.28 is: 23,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,473.28 : 40,673.76 = 16,727.28 : x
  2. Step 2: Convert to fraction form
    29,473.28/40,673.76 = 16,727.28/x
  3. Step 3: Cross multiply
    29,473.28x = 40,673.76 × 16,727.28
  4. Step 4: Simplify right side
    29,473.28x = 680,361,372.17
  5. Step 5: Solve for x
    x = 680,361,372.17/29,473.28
  6. Step 6: Final answer
    x = 23,084.01

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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.