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Finding the Fourth Proportional to 83,632.01, 115,393.14 and 49,622.94

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Solution

The fourth proportional to 83,632.01, 115,393.14 and 49,622.94 is: 68,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,632.01 : 115,393.14 = 49,622.94 : x
  2. Step 2: Convert to fraction form
    83,632.01/115,393.14 = 49,622.94/x
  3. Step 3: Cross multiply
    83,632.01x = 115,393.14 × 49,622.94
  4. Step 4: Simplify right side
    83,632.01x = 5,726,146,862.63
  5. Step 5: Solve for x
    x = 5,726,146,862.63/83,632.01
  6. Step 6: Final answer
    x = 68,468.37

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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.