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Finding the Fourth Proportional to 69,286.64, 95,551.80 and 45,404.64

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Solution

The fourth proportional to 69,286.64, 95,551.80 and 45,404.64 is: 62,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,286.64 : 95,551.80 = 45,404.64 : x
  2. Step 2: Convert to fraction form
    69,286.64/95,551.80 = 45,404.64/x
  3. Step 3: Cross multiply
    69,286.64x = 95,551.80 × 45,404.64
  4. Step 4: Simplify right side
    69,286.64x = 4,338,495,080.35
  5. Step 5: Solve for x
    x = 4,338,495,080.35/69,286.64
  6. Step 6: Final answer
    x = 62,616.62

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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.