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Finding the Fourth Proportional to 60,387.85, 90,607.39 and 32,300.59

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Solution

The fourth proportional to 60,387.85, 90,607.39 and 32,300.59 is: 48,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,387.85 : 90,607.39 = 32,300.59 : x
  2. Step 2: Convert to fraction form
    60,387.85/90,607.39 = 32,300.59/x
  3. Step 3: Cross multiply
    60,387.85x = 90,607.39 × 32,300.59
  4. Step 4: Simplify right side
    60,387.85x = 2,926,672,155.36
  5. Step 5: Solve for x
    x = 2,926,672,155.36/60,387.85
  6. Step 6: Final answer
    x = 48,464.59

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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.