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Finding the Fourth Proportional to 84,682.87, 116,862.19 and 48,872.89

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Solution

The fourth proportional to 84,682.87, 116,862.19 and 48,872.89 is: 67,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,682.87 : 116,862.19 = 48,872.89 : x
  2. Step 2: Convert to fraction form
    84,682.87/116,862.19 = 48,872.89/x
  3. Step 3: Cross multiply
    84,682.87x = 116,862.19 × 48,872.89
  4. Step 4: Simplify right side
    84,682.87x = 5,711,392,323.57
  5. Step 5: Solve for x
    x = 5,711,392,323.57/84,682.87
  6. Step 6: Final answer
    x = 67,444.48

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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.