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Finding the Fourth Proportional to 8,329.58, 11,489.19 and 5,349.04

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Solution

The fourth proportional to 8,329.58, 11,489.19 and 5,349.04 is: 7,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.58 : 11,489.19 = 5,349.04 : x
  2. Step 2: Convert to fraction form
    8,329.58/11,489.19 = 5,349.04/x
  3. Step 3: Cross multiply
    8,329.58x = 11,489.19 × 5,349.04
  4. Step 4: Simplify right side
    8,329.58x = 61,456,118.18
  5. Step 5: Solve for x
    x = 61,456,118.18/8,329.58
  6. Step 6: Final answer
    x = 7,378.05

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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.