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Finding the Fourth Proportional to 8,442.08, 11,654.16 and 5,929.52

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Solution

The fourth proportional to 8,442.08, 11,654.16 and 5,929.52 is: 8,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.08 : 11,654.16 = 5,929.52 : x
  2. Step 2: Convert to fraction form
    8,442.08/11,654.16 = 5,929.52/x
  3. Step 3: Cross multiply
    8,442.08x = 11,654.16 × 5,929.52
  4. Step 4: Simplify right side
    8,442.08x = 69,103,574.80
  5. Step 5: Solve for x
    x = 69,103,574.80/8,442.08
  6. Step 6: Final answer
    x = 8,185.61

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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.