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Finding the Fourth Proportional to 61,130.17, 91,695.60 and 27,826.95

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Solution

The fourth proportional to 61,130.17, 91,695.60 and 27,826.95 is: 41,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,130.17 : 91,695.60 = 27,826.95 : x
  2. Step 2: Convert to fraction form
    61,130.17/91,695.60 = 27,826.95/x
  3. Step 3: Cross multiply
    61,130.17x = 91,695.60 × 27,826.95
  4. Step 4: Simplify right side
    61,130.17x = 2,551,608,876.42
  5. Step 5: Solve for x
    x = 2,551,608,876.42/61,130.17
  6. Step 6: Final answer
    x = 41,740.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.