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Finding the Fourth Proportional to 83,832.63, 115,689.81 and 45,592.55

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Solution

The fourth proportional to 83,832.63, 115,689.81 and 45,592.55 is: 62,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,832.63 : 115,689.81 = 45,592.55 : x
  2. Step 2: Convert to fraction form
    83,832.63/115,689.81 = 45,592.55/x
  3. Step 3: Cross multiply
    83,832.63x = 115,689.81 × 45,592.55
  4. Step 4: Simplify right side
    83,832.63x = 5,274,592,868.47
  5. Step 5: Solve for x
    x = 5,274,592,868.47/83,832.63
  6. Step 6: Final answer
    x = 62,918.14

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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.