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Finding the Fourth Proportional to 17,344.40, 26,020.80 and 5,032.40

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Solution

The fourth proportional to 17,344.40, 26,020.80 and 5,032.40 is: 7,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,344.40 : 26,020.80 = 5,032.40 : x
  2. Step 2: Convert to fraction form
    17,344.40/26,020.80 = 5,032.40/x
  3. Step 3: Cross multiply
    17,344.40x = 26,020.80 × 5,032.40
  4. Step 4: Simplify right side
    17,344.40x = 130,947,073.92
  5. Step 5: Solve for x
    x = 130,947,073.92/17,344.40
  6. Step 6: Final answer
    x = 7,549.82

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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.