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Finding the Fourth Proportional to 69,519.42, 95,885.84 and 45,637.38

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Solution

The fourth proportional to 69,519.42, 95,885.84 and 45,637.38 is: 62,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,519.42 : 95,885.84 = 45,637.38 : x
  2. Step 2: Convert to fraction form
    69,519.42/95,885.84 = 45,637.38/x
  3. Step 3: Cross multiply
    69,519.42x = 95,885.84 × 45,637.38
  4. Step 4: Simplify right side
    69,519.42x = 4,375,978,630.79
  5. Step 5: Solve for x
    x = 4,375,978,630.79/69,519.42
  6. Step 6: Final answer
    x = 62,946.13

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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.