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Finding the Fourth Proportional to 61,748.66, 85,214.76 and 37,861.58

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Solution

The fourth proportional to 61,748.66, 85,214.76 and 37,861.58 is: 52,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,748.66 : 85,214.76 = 37,861.58 : x
  2. Step 2: Convert to fraction form
    61,748.66/85,214.76 = 37,861.58/x
  3. Step 3: Cross multiply
    61,748.66x = 85,214.76 × 37,861.58
  4. Step 4: Simplify right side
    61,748.66x = 3,226,365,452.92
  5. Step 5: Solve for x
    x = 3,226,365,452.92/61,748.66
  6. Step 6: Final answer
    x = 52,249.97

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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.