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Finding the Fourth Proportional to 60,712.91, 83,780.75 and 33,493.73

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Solution

The fourth proportional to 60,712.91, 83,780.75 and 33,493.73 is: 46,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.91 : 83,780.75 = 33,493.73 : x
  2. Step 2: Convert to fraction form
    60,712.91/83,780.75 = 33,493.73/x
  3. Step 3: Cross multiply
    60,712.91x = 83,780.75 × 33,493.73
  4. Step 4: Simplify right side
    60,712.91x = 2,806,129,652.23
  5. Step 5: Solve for x
    x = 2,806,129,652.23/60,712.91
  6. Step 6: Final answer
    x = 46,219.66

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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.