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Finding the Fourth Proportional to 17,358, 26,040.24 and 8,124

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Solution

The fourth proportional to 17,358, 26,040.24 and 8,124 is: 12,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358 : 26,040.24 = 8,124 : x
  2. Step 2: Convert to fraction form
    17,358/26,040.24 = 8,124/x
  3. Step 3: Cross multiply
    17,358x = 26,040.24 × 8,124
  4. Step 4: Simplify right side
    17,358x = 211,550,909.76
  5. Step 5: Solve for x
    x = 211,550,909.76/17,358
  6. Step 6: Final answer
    x = 12,187.52

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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.