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Finding the Fourth Proportional to 69,937.50, 96,472.54 and 49,496.57

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Solution

The fourth proportional to 69,937.50, 96,472.54 and 49,496.57 is: 68,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,937.50 : 96,472.54 = 49,496.57 : x
  2. Step 2: Convert to fraction form
    69,937.50/96,472.54 = 49,496.57/x
  3. Step 3: Cross multiply
    69,937.50x = 96,472.54 × 49,496.57
  4. Step 4: Simplify right side
    69,937.50x = 4,775,059,099.34
  5. Step 5: Solve for x
    x = 4,775,059,099.34/69,937.50
  6. Step 6: Final answer
    x = 68,276.09

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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.