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Finding the Fourth Proportional to 60,909.44, 91,410.32 and 25,873.68

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Solution

The fourth proportional to 60,909.44, 91,410.32 and 25,873.68 is: 38,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,909.44 : 91,410.32 = 25,873.68 : x
  2. Step 2: Convert to fraction form
    60,909.44/91,410.32 = 25,873.68/x
  3. Step 3: Cross multiply
    60,909.44x = 91,410.32 × 25,873.68
  4. Step 4: Simplify right side
    60,909.44x = 2,365,121,368.38
  5. Step 5: Solve for x
    x = 2,365,121,368.38/60,909.44
  6. Step 6: Final answer
    x = 38,830.13

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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.