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Finding the Fourth Proportional to 11,842.41, 17,746.68 and 8,697.75

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Solution

The fourth proportional to 11,842.41, 17,746.68 and 8,697.75 is: 13,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.41 : 17,746.68 = 8,697.75 : x
  2. Step 2: Convert to fraction form
    11,842.41/17,746.68 = 8,697.75/x
  3. Step 3: Cross multiply
    11,842.41x = 17,746.68 × 8,697.75
  4. Step 4: Simplify right side
    11,842.41x = 154,356,185.97
  5. Step 5: Solve for x
    x = 154,356,185.97/11,842.41
  6. Step 6: Final answer
    x = 13,034.19

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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.