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Finding the Fourth Proportional to 17,373.64, 26,061.68 and 6,985.44

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Solution

The fourth proportional to 17,373.64, 26,061.68 and 6,985.44 is: 10,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,373.64 : 26,061.68 = 6,985.44 : x
  2. Step 2: Convert to fraction form
    17,373.64/26,061.68 = 6,985.44/x
  3. Step 3: Cross multiply
    17,373.64x = 26,061.68 × 6,985.44
  4. Step 4: Simplify right side
    17,373.64x = 182,052,301.94
  5. Step 5: Solve for x
    x = 182,052,301.94/17,373.64
  6. Step 6: Final answer
    x = 10,478.65

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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.