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Finding the Fourth Proportional to 17,713.13, 26,569.69 and 7,325.15

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Solution

The fourth proportional to 17,713.13, 26,569.69 and 7,325.15 is: 10,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713.13 : 26,569.69 = 7,325.15 : x
  2. Step 2: Convert to fraction form
    17,713.13/26,569.69 = 7,325.15/x
  3. Step 3: Cross multiply
    17,713.13x = 26,569.69 × 7,325.15
  4. Step 4: Simplify right side
    17,713.13x = 194,626,813.54
  5. Step 5: Solve for x
    x = 194,626,813.54/17,713.13
  6. Step 6: Final answer
    x = 10,987.72

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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.