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Finding the Fourth Proportional to 61,655.84, 85,084.56 and 33,360.96

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Solution

The fourth proportional to 61,655.84, 85,084.56 and 33,360.96 is: 46,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,655.84 : 85,084.56 = 33,360.96 : x
  2. Step 2: Convert to fraction form
    61,655.84/85,084.56 = 33,360.96/x
  3. Step 3: Cross multiply
    61,655.84x = 85,084.56 × 33,360.96
  4. Step 4: Simplify right side
    61,655.84x = 2,838,502,602.78
  5. Step 5: Solve for x
    x = 2,838,502,602.78/61,655.84
  6. Step 6: Final answer
    x = 46,037.85

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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.