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Finding the Fourth Proportional to 69,282.64, 95,546.28 and 45,400.64

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Solution

The fourth proportional to 69,282.64, 95,546.28 and 45,400.64 is: 62,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,282.64 : 95,546.28 = 45,400.64 : x
  2. Step 2: Convert to fraction form
    69,282.64/95,546.28 = 45,400.64/x
  3. Step 3: Cross multiply
    69,282.64x = 95,546.28 × 45,400.64
  4. Step 4: Simplify right side
    69,282.64x = 4,337,862,261.62
  5. Step 5: Solve for x
    x = 4,337,862,261.62/69,282.64
  6. Step 6: Final answer
    x = 62,611.10

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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.