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Finding the Fourth Proportional to 17,988.29, 26,987.00 and 6,301.21

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Solution

The fourth proportional to 17,988.29, 26,987.00 and 6,301.21 is: 9,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.29 : 26,987.00 = 6,301.21 : x
  2. Step 2: Convert to fraction form
    17,988.29/26,987.00 = 6,301.21/x
  3. Step 3: Cross multiply
    17,988.29x = 26,987.00 × 6,301.21
  4. Step 4: Simplify right side
    17,988.29x = 170,050,655.30
  5. Step 5: Solve for x
    x = 170,050,655.30/17,988.29
  6. Step 6: Final answer
    x = 9,453.41

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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.