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Finding the Fourth Proportional to 17,759.61, 26,647.32 and 9,437.61

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Solution

The fourth proportional to 17,759.61, 26,647.32 and 9,437.61 is: 14,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.61 : 26,647.32 = 9,437.61 : x
  2. Step 2: Convert to fraction form
    17,759.61/26,647.32 = 9,437.61/x
  3. Step 3: Cross multiply
    17,759.61x = 26,647.32 × 9,437.61
  4. Step 4: Simplify right side
    17,759.61x = 251,487,013.71
  5. Step 5: Solve for x
    x = 251,487,013.71/17,759.61
  6. Step 6: Final answer
    x = 14,160.62

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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.