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Finding the Fourth Proportional to 25,592, 38,392.76 and 8,951.64

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Solution

The fourth proportional to 25,592, 38,392.76 and 8,951.64 is: 13,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,592 : 38,392.76 = 8,951.64 : x
  2. Step 2: Convert to fraction form
    25,592/38,392.76 = 8,951.64/x
  3. Step 3: Cross multiply
    25,592x = 38,392.76 × 8,951.64
  4. Step 4: Simplify right side
    25,592x = 343,678,166.13
  5. Step 5: Solve for x
    x = 343,678,166.13/25,592
  6. Step 6: Final answer
    x = 13,429.12

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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.