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Finding the Fourth Proportional to 61,989.84, 85,546.50 and 33,695.52

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Solution

The fourth proportional to 61,989.84, 85,546.50 and 33,695.52 is: 46,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.84 : 85,546.50 = 33,695.52 : x
  2. Step 2: Convert to fraction form
    61,989.84/85,546.50 = 33,695.52/x
  3. Step 3: Cross multiply
    61,989.84x = 85,546.50 × 33,695.52
  4. Step 4: Simplify right side
    61,989.84x = 2,882,533,801.68
  5. Step 5: Solve for x
    x = 2,882,533,801.68/61,989.84
  6. Step 6: Final answer
    x = 46,500.10

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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.