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Finding the Fourth Proportional to 17,348.60, 26,020.20 and 4,867.40

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Solution

The fourth proportional to 17,348.60, 26,020.20 and 4,867.40 is: 7,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,348.60 : 26,020.20 = 4,867.40 : x
  2. Step 2: Convert to fraction form
    17,348.60/26,020.20 = 4,867.40/x
  3. Step 3: Cross multiply
    17,348.60x = 26,020.20 × 4,867.40
  4. Step 4: Simplify right side
    17,348.60x = 126,650,721.48
  5. Step 5: Solve for x
    x = 126,650,721.48/17,348.60
  6. Step 6: Final answer
    x = 7,300.34

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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.