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Finding the Fourth Proportional to 60,471.51, 83,488.05 and 38,968.85

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Solution

The fourth proportional to 60,471.51, 83,488.05 and 38,968.85 is: 53,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,471.51 : 83,488.05 = 38,968.85 : x
  2. Step 2: Convert to fraction form
    60,471.51/83,488.05 = 38,968.85/x
  3. Step 3: Cross multiply
    60,471.51x = 83,488.05 × 38,968.85
  4. Step 4: Simplify right side
    60,471.51x = 3,253,432,879.80
  5. Step 5: Solve for x
    x = 3,253,432,879.80/60,471.51
  6. Step 6: Final answer
    x = 53,801.09

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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.