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Finding the Fourth Proportional to 69,284.64, 95,549.04 and 45,402.64

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Solution

The fourth proportional to 69,284.64, 95,549.04 and 45,402.64 is: 62,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,284.64 : 95,549.04 = 45,402.64 : x
  2. Step 2: Convert to fraction form
    69,284.64/95,549.04 = 45,402.64/x
  3. Step 3: Cross multiply
    69,284.64x = 95,549.04 × 45,402.64
  4. Step 4: Simplify right side
    69,284.64x = 4,338,178,665.47
  5. Step 5: Solve for x
    x = 4,338,178,665.47/69,284.64
  6. Step 6: Final answer
    x = 62,613.86

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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.