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Finding the Fourth Proportional to 61,610.76, 85,023 and 34,752.24

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Solution

The fourth proportional to 61,610.76, 85,023 and 34,752.24 is: 47,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,610.76 : 85,023 = 34,752.24 : x
  2. Step 2: Convert to fraction form
    61,610.76/85,023 = 34,752.24/x
  3. Step 3: Cross multiply
    61,610.76x = 85,023 × 34,752.24
  4. Step 4: Simplify right side
    61,610.76x = 2,954,739,701.52
  5. Step 5: Solve for x
    x = 2,954,739,701.52/61,610.76
  6. Step 6: Final answer
    x = 47,958.18

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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.