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Finding the Fourth Proportional to 25,892.40, 38,867.40 and 16,042.80

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Solution

The fourth proportional to 25,892.40, 38,867.40 and 16,042.80 is: 24,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,892.40 : 38,867.40 = 16,042.80 : x
  2. Step 2: Convert to fraction form
    25,892.40/38,867.40 = 16,042.80/x
  3. Step 3: Cross multiply
    25,892.40x = 38,867.40 × 16,042.80
  4. Step 4: Simplify right side
    25,892.40x = 623,541,924.72
  5. Step 5: Solve for x
    x = 623,541,924.72/25,892.40
  6. Step 6: Final answer
    x = 24,082.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.