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Finding the Fourth Proportional to 17,508.70, 26,241.15 and 8,746.06

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Solution

The fourth proportional to 17,508.70, 26,241.15 and 8,746.06 is: 13,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.70 : 26,241.15 = 8,746.06 : x
  2. Step 2: Convert to fraction form
    17,508.70/26,241.15 = 8,746.06/x
  3. Step 3: Cross multiply
    17,508.70x = 26,241.15 × 8,746.06
  4. Step 4: Simplify right side
    17,508.70x = 229,506,672.37
  5. Step 5: Solve for x
    x = 229,506,672.37/17,508.70
  6. Step 6: Final answer
    x = 13,108.15

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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.