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Finding the Fourth Proportional to 17,608.78, 26,411.86 and 6,510.28

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Solution

The fourth proportional to 17,608.78, 26,411.86 and 6,510.28 is: 9,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.78 : 26,411.86 = 6,510.28 : x
  2. Step 2: Convert to fraction form
    17,608.78/26,411.86 = 6,510.28/x
  3. Step 3: Cross multiply
    17,608.78x = 26,411.86 × 6,510.28
  4. Step 4: Simplify right side
    17,608.78x = 171,948,603.92
  5. Step 5: Solve for x
    x = 171,948,603.92/17,608.78
  6. Step 6: Final answer
    x = 9,764.94

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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.