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Finding the Fourth Proportional to 60,092.80, 90,061.44 and 40,341.76

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Solution

The fourth proportional to 60,092.80, 90,061.44 and 40,341.76 is: 60,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,092.80 : 90,061.44 = 40,341.76 : x
  2. Step 2: Convert to fraction form
    60,092.80/90,061.44 = 40,341.76/x
  3. Step 3: Cross multiply
    60,092.80x = 90,061.44 × 40,341.76
  4. Step 4: Simplify right side
    60,092.80x = 3,633,236,997.73
  5. Step 5: Solve for x
    x = 3,633,236,997.73/60,092.80
  6. Step 6: Final answer
    x = 60,460.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.