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Finding the Fourth Proportional to 60,587.64, 90,807.78 and 32,438.52

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Solution

The fourth proportional to 60,587.64, 90,807.78 and 32,438.52 is: 48,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,587.64 : 90,807.78 = 32,438.52 : x
  2. Step 2: Convert to fraction form
    60,587.64/90,807.78 = 32,438.52/x
  3. Step 3: Cross multiply
    60,587.64x = 90,807.78 × 32,438.52
  4. Step 4: Simplify right side
    60,587.64x = 2,945,669,987.69
  5. Step 5: Solve for x
    x = 2,945,669,987.69/60,587.64
  6. Step 6: Final answer
    x = 48,618.33

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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.