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Finding the Fourth Proportional to 15,843.52, 23,747.68 and 8,036.16

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Solution

The fourth proportional to 15,843.52, 23,747.68 and 8,036.16 is: 12,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843.52 : 23,747.68 = 8,036.16 : x
  2. Step 2: Convert to fraction form
    15,843.52/23,747.68 = 8,036.16/x
  3. Step 3: Cross multiply
    15,843.52x = 23,747.68 × 8,036.16
  4. Step 4: Simplify right side
    15,843.52x = 190,840,156.11
  5. Step 5: Solve for x
    x = 190,840,156.11/15,843.52
  6. Step 6: Final answer
    x = 12,045.31

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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.