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Finding the Fourth Proportional to 61,958.76, 85,459.30 and 38,098.92

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Solution

The fourth proportional to 61,958.76, 85,459.30 and 38,098.92 is: 52,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,958.76 : 85,459.30 = 38,098.92 : x
  2. Step 2: Convert to fraction form
    61,958.76/85,459.30 = 38,098.92/x
  3. Step 3: Cross multiply
    61,958.76x = 85,459.30 × 38,098.92
  4. Step 4: Simplify right side
    61,958.76x = 3,255,907,033.96
  5. Step 5: Solve for x
    x = 3,255,907,033.96/61,958.76
  6. Step 6: Final answer
    x = 52,549.58

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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.