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Finding the Fourth Proportional to 48,470.78, 66,922.84 and 37,120.26

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Solution

The fourth proportional to 48,470.78, 66,922.84 and 37,120.26 is: 51,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.78 : 66,922.84 = 37,120.26 : x
  2. Step 2: Convert to fraction form
    48,470.78/66,922.84 = 37,120.26/x
  3. Step 3: Cross multiply
    48,470.78x = 66,922.84 × 37,120.26
  4. Step 4: Simplify right side
    48,470.78x = 2,484,193,220.74
  5. Step 5: Solve for x
    x = 2,484,193,220.74/48,470.78
  6. Step 6: Final answer
    x = 51,251.36

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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.