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Finding the Fourth Proportional to 60,061.61, 82,887.36 and 39,883.70

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Solution

The fourth proportional to 60,061.61, 82,887.36 and 39,883.70 is: 55,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,061.61 : 82,887.36 = 39,883.70 : x
  2. Step 2: Convert to fraction form
    60,061.61/82,887.36 = 39,883.70/x
  3. Step 3: Cross multiply
    60,061.61x = 82,887.36 × 39,883.70
  4. Step 4: Simplify right side
    60,061.61x = 3,305,854,600.03
  5. Step 5: Solve for x
    x = 3,305,854,600.03/60,061.61
  6. Step 6: Final answer
    x = 55,041.06

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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.