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Finding the Fourth Proportional to 29,502.80, 40,711.56 and 16,924.88

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Solution

The fourth proportional to 29,502.80, 40,711.56 and 16,924.88 is: 23,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,502.80 : 40,711.56 = 16,924.88 : x
  2. Step 2: Convert to fraction form
    29,502.80/40,711.56 = 16,924.88/x
  3. Step 3: Cross multiply
    29,502.80x = 40,711.56 × 16,924.88
  4. Step 4: Simplify right side
    29,502.80x = 689,038,267.61
  5. Step 5: Solve for x
    x = 689,038,267.61/29,502.80
  6. Step 6: Final answer
    x = 23,355.01

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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.