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Finding the Fourth Proportional to 25,475.59, 38,214.60 and 13,624.48

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Solution

The fourth proportional to 25,475.59, 38,214.60 and 13,624.48 is: 20,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.59 : 38,214.60 = 13,624.48 : x
  2. Step 2: Convert to fraction form
    25,475.59/38,214.60 = 13,624.48/x
  3. Step 3: Cross multiply
    25,475.59x = 38,214.60 × 13,624.48
  4. Step 4: Simplify right side
    25,475.59x = 520,654,053.41
  5. Step 5: Solve for x
    x = 520,654,053.41/25,475.59
  6. Step 6: Final answer
    x = 20,437.37

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