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Finding the Fourth Proportional to 15,007.80, 22,514.02 and 6,690.68

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Solution

The fourth proportional to 15,007.80, 22,514.02 and 6,690.68 is: 10,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.80 : 22,514.02 = 6,690.68 : x
  2. Step 2: Convert to fraction form
    15,007.80/22,514.02 = 6,690.68/x
  3. Step 3: Cross multiply
    15,007.80x = 22,514.02 × 6,690.68
  4. Step 4: Simplify right side
    15,007.80x = 150,634,103.33
  5. Step 5: Solve for x
    x = 150,634,103.33/15,007.80
  6. Step 6: Final answer
    x = 10,037.05

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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.