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Finding the Fourth Proportional to 61,669.00, 85,102.78 and 34,816.74

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Solution

The fourth proportional to 61,669.00, 85,102.78 and 34,816.74 is: 48,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,669.00 : 85,102.78 = 34,816.74 : x
  2. Step 2: Convert to fraction form
    61,669.00/85,102.78 = 34,816.74/x
  3. Step 3: Cross multiply
    61,669.00x = 85,102.78 × 34,816.74
  4. Step 4: Simplify right side
    61,669.00x = 2,963,000,925.72
  5. Step 5: Solve for x
    x = 2,963,000,925.72/61,669.00
  6. Step 6: Final answer
    x = 48,046.85

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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.