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Finding the Fourth Proportional to 84,717.81, 127,074.56 and 22,388.85

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Solution

The fourth proportional to 84,717.81, 127,074.56 and 22,388.85 is: 33,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,717.81 : 127,074.56 = 22,388.85 : x
  2. Step 2: Convert to fraction form
    84,717.81/127,074.56 = 22,388.85/x
  3. Step 3: Cross multiply
    84,717.81x = 127,074.56 × 22,388.85
  4. Step 4: Simplify right side
    84,717.81x = 2,845,053,150.71
  5. Step 5: Solve for x
    x = 2,845,053,150.71/84,717.81
  6. Step 6: Final answer
    x = 33,582.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.