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Finding the Fourth Proportional to 60,103.64, 82,915.09 and 38,889.74

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Solution

The fourth proportional to 60,103.64, 82,915.09 and 38,889.74 is: 53,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,103.64 : 82,915.09 = 38,889.74 : x
  2. Step 2: Convert to fraction form
    60,103.64/82,915.09 = 38,889.74/x
  3. Step 3: Cross multiply
    60,103.64x = 82,915.09 × 38,889.74
  4. Step 4: Simplify right side
    60,103.64x = 3,224,545,780.38
  5. Step 5: Solve for x
    x = 3,224,545,780.38/60,103.64
  6. Step 6: Final answer
    x = 53,649.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.