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Finding the Fourth Proportional to 45,079.47, 67,619.21 and 17,358.03

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Solution

The fourth proportional to 45,079.47, 67,619.21 and 17,358.03 is: 26,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,079.47 : 67,619.21 = 17,358.03 : x
  2. Step 2: Convert to fraction form
    45,079.47/67,619.21 = 17,358.03/x
  3. Step 3: Cross multiply
    45,079.47x = 67,619.21 × 17,358.03
  4. Step 4: Simplify right side
    45,079.47x = 1,173,736,188.97
  5. Step 5: Solve for x
    x = 1,173,736,188.97/45,079.47
  6. Step 6: Final answer
    x = 26,037.05

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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.