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Finding the Fourth Proportional to 5,008.93, 7,514.45 and 1,499.21

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Solution

The fourth proportional to 5,008.93, 7,514.45 and 1,499.21 is: 2,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.93 : 7,514.45 = 1,499.21 : x
  2. Step 2: Convert to fraction form
    5,008.93/7,514.45 = 1,499.21/x
  3. Step 3: Cross multiply
    5,008.93x = 7,514.45 × 1,499.21
  4. Step 4: Simplify right side
    5,008.93x = 11,265,727.32
  5. Step 5: Solve for x
    x = 11,265,727.32/5,008.93
  6. Step 6: Final answer
    x = 2,249.13

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Half scale
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Double scale
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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.