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Finding the Fourth Proportional to 10,759.74, 14,848.50 and 5,979.74

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Solution

The fourth proportional to 10,759.74, 14,848.50 and 5,979.74 is: 8,252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.74 : 14,848.50 = 5,979.74 : x
  2. Step 2: Convert to fraction form
    10,759.74/14,848.50 = 5,979.74/x
  3. Step 3: Cross multiply
    10,759.74x = 14,848.50 × 5,979.74
  4. Step 4: Simplify right side
    10,759.74x = 88,790,169.39
  5. Step 5: Solve for x
    x = 88,790,169.39/10,759.74
  6. Step 6: Final answer
    x = 8,252.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.