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Finding the Fourth Proportional to 60,219.92, 89,963.57 and 38,986.98

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Solution

The fourth proportional to 60,219.92, 89,963.57 and 38,986.98 is: 58,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,219.92 : 89,963.57 = 38,986.98 : x
  2. Step 2: Convert to fraction form
    60,219.92/89,963.57 = 38,986.98/x
  3. Step 3: Cross multiply
    60,219.92x = 89,963.57 × 38,986.98
  4. Step 4: Simplify right side
    60,219.92x = 3,507,407,904.32
  5. Step 5: Solve for x
    x = 3,507,407,904.32/60,219.92
  6. Step 6: Final answer
    x = 58,243.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.