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Finding the Fourth Proportional to 8,329.92, 12,495.04 and 2,174.08

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Solution

The fourth proportional to 8,329.92, 12,495.04 and 2,174.08 is: 3,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.92 : 12,495.04 = 2,174.08 : x
  2. Step 2: Convert to fraction form
    8,329.92/12,495.04 = 2,174.08/x
  3. Step 3: Cross multiply
    8,329.92x = 12,495.04 × 2,174.08
  4. Step 4: Simplify right side
    8,329.92x = 27,165,216.56
  5. Step 5: Solve for x
    x = 27,165,216.56/8,329.92
  6. Step 6: Final answer
    x = 3,261.16

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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.