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Finding the Fourth Proportional to 69,470.76, 95,869.53 and 37,640.46

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Solution

The fourth proportional to 69,470.76, 95,869.53 and 37,640.46 is: 51,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.76 : 95,869.53 = 37,640.46 : x
  2. Step 2: Convert to fraction form
    69,470.76/95,869.53 = 37,640.46/x
  3. Step 3: Cross multiply
    69,470.76x = 95,869.53 × 37,640.46
  4. Step 4: Simplify right side
    69,470.76x = 3,608,573,209.18
  5. Step 5: Solve for x
    x = 3,608,573,209.18/69,470.76
  6. Step 6: Final answer
    x = 51,943.77

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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.