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Finding the Fourth Proportional to 18,752.52, 28,107.48 and 6,269.64

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Solution

The fourth proportional to 18,752.52, 28,107.48 and 6,269.64 is: 9,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.52 : 28,107.48 = 6,269.64 : x
  2. Step 2: Convert to fraction form
    18,752.52/28,107.48 = 6,269.64/x
  3. Step 3: Cross multiply
    18,752.52x = 28,107.48 × 6,269.64
  4. Step 4: Simplify right side
    18,752.52x = 176,223,780.91
  5. Step 5: Solve for x
    x = 176,223,780.91/18,752.52
  6. Step 6: Final answer
    x = 9,397.34

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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.