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Finding the Fourth Proportional to 61,652.97, 85,074.59 and 35,806.47

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Solution

The fourth proportional to 61,652.97, 85,074.59 and 35,806.47 is: 49,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,652.97 : 85,074.59 = 35,806.47 : x
  2. Step 2: Convert to fraction form
    61,652.97/85,074.59 = 35,806.47/x
  3. Step 3: Cross multiply
    61,652.97x = 85,074.59 × 35,806.47
  4. Step 4: Simplify right side
    61,652.97x = 3,046,220,575.56
  5. Step 5: Solve for x
    x = 3,046,220,575.56/61,652.97
  6. Step 6: Final answer
    x = 49,409.15

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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.