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Finding the Fourth Proportional to 60,117.64, 82,952.82 and 38,897.80

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Solution

The fourth proportional to 60,117.64, 82,952.82 and 38,897.80 is: 53,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,117.64 : 82,952.82 = 38,897.80 : x
  2. Step 2: Convert to fraction form
    60,117.64/82,952.82 = 38,897.80/x
  3. Step 3: Cross multiply
    60,117.64x = 82,952.82 × 38,897.80
  4. Step 4: Simplify right side
    60,117.64x = 3,226,682,201.80
  5. Step 5: Solve for x
    x = 3,226,682,201.80/60,117.64
  6. Step 6: Final answer
    x = 53,672.80

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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.