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Finding the Fourth Proportional to 60,040.82, 90,061.11 and 56,387.17

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Solution

The fourth proportional to 60,040.82, 90,061.11 and 56,387.17 is: 84,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,040.82 : 90,061.11 = 56,387.17 : x
  2. Step 2: Convert to fraction form
    60,040.82/90,061.11 = 56,387.17/x
  3. Step 3: Cross multiply
    60,040.82x = 90,061.11 × 56,387.17
  4. Step 4: Simplify right side
    60,040.82x = 5,078,290,810.62
  5. Step 5: Solve for x
    x = 5,078,290,810.62/60,040.82
  6. Step 6: Final answer
    x = 84,580.63

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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.