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Finding the Fourth Proportional to 39,915.66, 59,873.61 and 37,479.87

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Solution

The fourth proportional to 39,915.66, 59,873.61 and 37,479.87 is: 56,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.66 : 59,873.61 = 37,479.87 : x
  2. Step 2: Convert to fraction form
    39,915.66/59,873.61 = 37,479.87/x
  3. Step 3: Cross multiply
    39,915.66x = 59,873.61 × 37,479.87
  4. Step 4: Simplify right side
    39,915.66x = 2,244,055,119.23
  5. Step 5: Solve for x
    x = 2,244,055,119.23/39,915.66
  6. Step 6: Final answer
    x = 56,219.92

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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.