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Finding the Fourth Proportional to 61,280.72, 84,573.51 and 41,179.46

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Solution

The fourth proportional to 61,280.72, 84,573.51 and 41,179.46 is: 56,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,280.72 : 84,573.51 = 41,179.46 : x
  2. Step 2: Convert to fraction form
    61,280.72/84,573.51 = 41,179.46/x
  3. Step 3: Cross multiply
    61,280.72x = 84,573.51 × 41,179.46
  4. Step 4: Simplify right side
    61,280.72x = 3,482,691,049.24
  5. Step 5: Solve for x
    x = 3,482,691,049.24/61,280.72
  6. Step 6: Final answer
    x = 56,831.76

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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.