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Finding the Fourth Proportional to 25,931.22, 38,864.03 and 16,567.62

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Solution

The fourth proportional to 25,931.22, 38,864.03 and 16,567.62 is: 24,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.22 : 38,864.03 = 16,567.62 : x
  2. Step 2: Convert to fraction form
    25,931.22/38,864.03 = 16,567.62/x
  3. Step 3: Cross multiply
    25,931.22x = 38,864.03 × 16,567.62
  4. Step 4: Simplify right side
    25,931.22x = 643,884,397.87
  5. Step 5: Solve for x
    x = 643,884,397.87/25,931.22
  6. Step 6: Final answer
    x = 24,830.47

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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.