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Finding the Fourth Proportional to 60,772.60, 91,013.10 and 49,108.60

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Solution

The fourth proportional to 60,772.60, 91,013.10 and 49,108.60 is: 73,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,772.60 : 91,013.10 = 49,108.60 : x
  2. Step 2: Convert to fraction form
    60,772.60/91,013.10 = 49,108.60/x
  3. Step 3: Cross multiply
    60,772.60x = 91,013.10 × 49,108.60
  4. Step 4: Simplify right side
    60,772.60x = 4,469,525,922.66
  5. Step 5: Solve for x
    x = 4,469,525,922.66/60,772.60
  6. Step 6: Final answer
    x = 73,545.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.