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Finding the Fourth Proportional to 61,356.88, 91,871.22 and 35,025.40

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Solution

The fourth proportional to 61,356.88, 91,871.22 and 35,025.40 is: 52,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,356.88 : 91,871.22 = 35,025.40 : x
  2. Step 2: Convert to fraction form
    61,356.88/91,871.22 = 35,025.40/x
  3. Step 3: Cross multiply
    61,356.88x = 91,871.22 × 35,025.40
  4. Step 4: Simplify right side
    61,356.88x = 3,217,826,228.99
  5. Step 5: Solve for x
    x = 3,217,826,228.99/61,356.88
  6. Step 6: Final answer
    x = 52,444.42

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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.