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Finding the Fourth Proportional to 17,672, 26,508.54 and 5,360

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Solution

The fourth proportional to 17,672, 26,508.54 and 5,360 is: 8,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672 : 26,508.54 = 5,360 : x
  2. Step 2: Convert to fraction form
    17,672/26,508.54 = 5,360/x
  3. Step 3: Cross multiply
    17,672x = 26,508.54 × 5,360
  4. Step 4: Simplify right side
    17,672x = 142,085,774.40
  5. Step 5: Solve for x
    x = 142,085,774.40/17,672
  6. Step 6: Final answer
    x = 8,040.16

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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.