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Finding the Fourth Proportional to 60,564.20, 90,813.90 and 25,464.20

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Solution

The fourth proportional to 60,564.20, 90,813.90 and 25,464.20 is: 38,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,564.20 : 90,813.90 = 25,464.20 : x
  2. Step 2: Convert to fraction form
    60,564.20/90,813.90 = 25,464.20/x
  3. Step 3: Cross multiply
    60,564.20x = 90,813.90 × 25,464.20
  4. Step 4: Simplify right side
    60,564.20x = 2,312,503,312.38
  5. Step 5: Solve for x
    x = 2,312,503,312.38/60,564.20
  6. Step 6: Final answer
    x = 38,182.68

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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.