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Finding the Fourth Proportional to 61,984.52, 85,539.20 and 33,690.27

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Solution

The fourth proportional to 61,984.52, 85,539.20 and 33,690.27 is: 46,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,984.52 : 85,539.20 = 33,690.27 : x
  2. Step 2: Convert to fraction form
    61,984.52/85,539.20 = 33,690.27/x
  3. Step 3: Cross multiply
    61,984.52x = 85,539.20 × 33,690.27
  4. Step 4: Simplify right side
    61,984.52x = 2,881,838,575.13
  5. Step 5: Solve for x
    x = 2,881,838,575.13/61,984.52
  6. Step 6: Final answer
    x = 46,492.88

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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.