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Finding the Fourth Proportional to 83,673.52, 115,470.26 and 45,948.56

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Solution

The fourth proportional to 83,673.52, 115,470.26 and 45,948.56 is: 63,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,673.52 : 115,470.26 = 45,948.56 : x
  2. Step 2: Convert to fraction form
    83,673.52/115,470.26 = 45,948.56/x
  3. Step 3: Cross multiply
    83,673.52x = 115,470.26 × 45,948.56
  4. Step 4: Simplify right side
    83,673.52x = 5,305,692,169.83
  5. Step 5: Solve for x
    x = 5,305,692,169.83/83,673.52
  6. Step 6: Final answer
    x = 63,409.45

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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.