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Finding the Fourth Proportional to 44,695.60, 67,042.28 and 11,415.76

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Solution

The fourth proportional to 44,695.60, 67,042.28 and 11,415.76 is: 17,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,695.60 : 67,042.28 = 11,415.76 : x
  2. Step 2: Convert to fraction form
    44,695.60/67,042.28 = 11,415.76/x
  3. Step 3: Cross multiply
    44,695.60x = 67,042.28 × 11,415.76
  4. Step 4: Simplify right side
    44,695.60x = 765,338,578.33
  5. Step 5: Solve for x
    x = 765,338,578.33/44,695.60
  6. Step 6: Final answer
    x = 17,123.35

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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.