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Finding the Fourth Proportional to 61,963.54, 85,506.88 and 35,105.50

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Solution

The fourth proportional to 61,963.54, 85,506.88 and 35,105.50 is: 48,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.54 : 85,506.88 = 35,105.50 : x
  2. Step 2: Convert to fraction form
    61,963.54/85,506.88 = 35,105.50/x
  3. Step 3: Cross multiply
    61,963.54x = 85,506.88 × 35,105.50
  4. Step 4: Simplify right side
    61,963.54x = 3,001,761,775.84
  5. Step 5: Solve for x
    x = 3,001,761,775.84/61,963.54
  6. Step 6: Final answer
    x = 48,444.00

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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.