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Finding the Fourth Proportional to 83,792.30, 115,634.12 and 45,551.92

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Solution

The fourth proportional to 83,792.30, 115,634.12 and 45,551.92 is: 62,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,792.30 : 115,634.12 = 45,551.92 : x
  2. Step 2: Convert to fraction form
    83,792.30/115,634.12 = 45,551.92/x
  3. Step 3: Cross multiply
    83,792.30x = 115,634.12 × 45,551.92
  4. Step 4: Simplify right side
    83,792.30x = 5,267,356,183.51
  5. Step 5: Solve for x
    x = 5,267,356,183.51/83,792.30
  6. Step 6: Final answer
    x = 62,862.06

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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.