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Finding the Fourth Proportional to 45,060.40, 67,594.10 and 13,468.28

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Solution

The fourth proportional to 45,060.40, 67,594.10 and 13,468.28 is: 20,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,060.40 : 67,594.10 = 13,468.28 : x
  2. Step 2: Convert to fraction form
    45,060.40/67,594.10 = 13,468.28/x
  3. Step 3: Cross multiply
    45,060.40x = 67,594.10 × 13,468.28
  4. Step 4: Simplify right side
    45,060.40x = 910,375,859.84
  5. Step 5: Solve for x
    x = 910,375,859.84/45,060.40
  6. Step 6: Final answer
    x = 20,203.46

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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.