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Finding the Fourth Proportional to 58,125.80, 80,238.02 and 49,219.48

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Solution

The fourth proportional to 58,125.80, 80,238.02 and 49,219.48 is: 67,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,125.80 : 80,238.02 = 49,219.48 : x
  2. Step 2: Convert to fraction form
    58,125.80/80,238.02 = 49,219.48/x
  3. Step 3: Cross multiply
    58,125.80x = 80,238.02 × 49,219.48
  4. Step 4: Simplify right side
    58,125.80x = 3,949,273,620.63
  5. Step 5: Solve for x
    x = 3,949,273,620.63/58,125.80
  6. Step 6: Final answer
    x = 67,943.56

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1.5x scale

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.