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Finding the Fourth Proportional to 69,994.92, 96,592.16 and 38,164.08

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Solution

The fourth proportional to 69,994.92, 96,592.16 and 38,164.08 is: 52,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,994.92 : 96,592.16 = 38,164.08 : x
  2. Step 2: Convert to fraction form
    69,994.92/96,592.16 = 38,164.08/x
  3. Step 3: Cross multiply
    69,994.92x = 96,592.16 × 38,164.08
  4. Step 4: Simplify right side
    69,994.92x = 3,686,350,921.61
  5. Step 5: Solve for x
    x = 3,686,350,921.61/69,994.92
  6. Step 6: Final answer
    x = 52,665.98

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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.