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Finding the Fourth Proportional to 84,587.52, 126,866.88 and 22,258.56

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Solution

The fourth proportional to 84,587.52, 126,866.88 and 22,258.56 is: 33,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,587.52 : 126,866.88 = 22,258.56 : x
  2. Step 2: Convert to fraction form
    84,587.52/126,866.88 = 22,258.56/x
  3. Step 3: Cross multiply
    84,587.52x = 126,866.88 × 22,258.56
  4. Step 4: Simplify right side
    84,587.52x = 2,823,874,060.49
  5. Step 5: Solve for x
    x = 2,823,874,060.49/84,587.52
  6. Step 6: Final answer
    x = 33,384.05

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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.