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Finding the Fourth Proportional to 69,416.80, 95,812.64 and 62,330.88

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Solution

The fourth proportional to 69,416.80, 95,812.64 and 62,330.88 is: 86,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,416.80 : 95,812.64 = 62,330.88 : x
  2. Step 2: Convert to fraction form
    69,416.80/95,812.64 = 62,330.88/x
  3. Step 3: Cross multiply
    69,416.80x = 95,812.64 × 62,330.88
  4. Step 4: Simplify right side
    69,416.80x = 5,972,086,166.32
  5. Step 5: Solve for x
    x = 5,972,086,166.32/69,416.80
  6. Step 6: Final answer
    x = 86,032.29

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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.