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Finding the Fourth Proportional to 61,838.01, 85,337.90 and 34,613.42

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Solution

The fourth proportional to 61,838.01, 85,337.90 and 34,613.42 is: 47,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,838.01 : 85,337.90 = 34,613.42 : x
  2. Step 2: Convert to fraction form
    61,838.01/85,337.90 = 34,613.42/x
  3. Step 3: Cross multiply
    61,838.01x = 85,337.90 × 34,613.42
  4. Step 4: Simplify right side
    61,838.01x = 2,953,836,542.36
  5. Step 5: Solve for x
    x = 2,953,836,542.36/61,838.01
  6. Step 6: Final answer
    x = 47,767.33

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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.