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Finding the Fourth Proportional to 69,613.03, 96,066.05 and 37,781.92

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Solution

The fourth proportional to 69,613.03, 96,066.05 and 37,781.92 is: 52,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,613.03 : 96,066.05 = 37,781.92 : x
  2. Step 2: Convert to fraction form
    69,613.03/96,066.05 = 37,781.92/x
  3. Step 3: Cross multiply
    69,613.03x = 96,066.05 × 37,781.92
  4. Step 4: Simplify right side
    69,613.03x = 3,629,559,815.82
  5. Step 5: Solve for x
    x = 3,629,559,815.82/69,613.03
  6. Step 6: Final answer
    x = 52,139.09

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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.