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Finding the Fourth Proportional to 61,625.80, 85,022.50 and 50,275.52

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Solution

The fourth proportional to 61,625.80, 85,022.50 and 50,275.52 is: 69,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,625.80 : 85,022.50 = 50,275.52 : x
  2. Step 2: Convert to fraction form
    61,625.80/85,022.50 = 50,275.52/x
  3. Step 3: Cross multiply
    61,625.80x = 85,022.50 × 50,275.52
  4. Step 4: Simplify right side
    61,625.80x = 4,274,550,399.20
  5. Step 5: Solve for x
    x = 4,274,550,399.20/61,625.80
  6. Step 6: Final answer
    x = 69,363.00

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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.