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Finding the Fourth Proportional to 61,600.88, 85,009.16 and 33,306.50

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Solution

The fourth proportional to 61,600.88, 85,009.16 and 33,306.50 is: 45,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,600.88 : 85,009.16 = 33,306.50 : x
  2. Step 2: Convert to fraction form
    61,600.88/85,009.16 = 33,306.50/x
  3. Step 3: Cross multiply
    61,600.88x = 85,009.16 × 33,306.50
  4. Step 4: Simplify right side
    61,600.88x = 2,831,357,587.54
  5. Step 5: Solve for x
    x = 2,831,357,587.54/61,600.88
  6. Step 6: Final answer
    x = 45,962.94

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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.