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Finding the Fourth Proportional to 83,646.88, 125,443.88 and 27,477.76

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Solution

The fourth proportional to 83,646.88, 125,443.88 and 27,477.76 is: 41,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,646.88 : 125,443.88 = 27,477.76 : x
  2. Step 2: Convert to fraction form
    83,646.88/125,443.88 = 27,477.76/x
  3. Step 3: Cross multiply
    83,646.88x = 125,443.88 × 27,477.76
  4. Step 4: Simplify right side
    83,646.88x = 3,446,916,828.11
  5. Step 5: Solve for x
    x = 3,446,916,828.11/83,646.88
  6. Step 6: Final answer
    x = 41,207.95

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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.