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Finding the Fourth Proportional to 25,641.39, 38,468.29 and 9,631.07

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Solution

The fourth proportional to 25,641.39, 38,468.29 and 9,631.07 is: 14,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.39 : 38,468.29 = 9,631.07 : x
  2. Step 2: Convert to fraction form
    25,641.39/38,468.29 = 9,631.07/x
  3. Step 3: Cross multiply
    25,641.39x = 38,468.29 × 9,631.07
  4. Step 4: Simplify right side
    25,641.39x = 370,490,793.77
  5. Step 5: Solve for x
    x = 370,490,793.77/25,641.39
  6. Step 6: Final answer
    x = 14,448.94

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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.