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Finding the Fourth Proportional to 67,580.75, 93,240.95 and 47,162.27

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Solution

The fourth proportional to 67,580.75, 93,240.95 and 47,162.27 is: 65,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,580.75 : 93,240.95 = 47,162.27 : x
  2. Step 2: Convert to fraction form
    67,580.75/93,240.95 = 47,162.27/x
  3. Step 3: Cross multiply
    67,580.75x = 93,240.95 × 47,162.27
  4. Step 4: Simplify right side
    67,580.75x = 4,397,454,156.94
  5. Step 5: Solve for x
    x = 4,397,454,156.94/67,580.75
  6. Step 6: Final answer
    x = 65,069.63

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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.