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Finding the Fourth Proportional to 60,862.70, 83,988.96 and 34,005.42

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Solution

The fourth proportional to 60,862.70, 83,988.96 and 34,005.42 is: 46,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,862.70 : 83,988.96 = 34,005.42 : x
  2. Step 2: Convert to fraction form
    60,862.70/83,988.96 = 34,005.42/x
  3. Step 3: Cross multiply
    60,862.70x = 83,988.96 × 34,005.42
  4. Step 4: Simplify right side
    60,862.70x = 2,856,079,860.16
  5. Step 5: Solve for x
    x = 2,856,079,860.16/60,862.70
  6. Step 6: Final answer
    x = 46,926.61

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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.