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Finding the Fourth Proportional to 69,807.96, 96,291.79 and 60,876.90

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Solution

The fourth proportional to 69,807.96, 96,291.79 and 60,876.90 is: 83,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.96 : 96,291.79 = 60,876.90 : x
  2. Step 2: Convert to fraction form
    69,807.96/96,291.79 = 60,876.90/x
  3. Step 3: Cross multiply
    69,807.96x = 96,291.79 × 60,876.90
  4. Step 4: Simplify right side
    69,807.96x = 5,861,945,518.46
  5. Step 5: Solve for x
    x = 5,861,945,518.46/69,807.96
  6. Step 6: Final answer
    x = 83,972.45

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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.