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Finding the Fourth Proportional to 1,519.19, 2,097.19 and 1,016.38

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Solution

The fourth proportional to 1,519.19, 2,097.19 and 1,016.38 is: 1,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.19 : 2,097.19 = 1,016.38 : x
  2. Step 2: Convert to fraction form
    1,519.19/2,097.19 = 1,016.38/x
  3. Step 3: Cross multiply
    1,519.19x = 2,097.19 × 1,016.38
  4. Step 4: Simplify right side
    1,519.19x = 2,131,545.86
  5. Step 5: Solve for x
    x = 2,131,545.86/1,519.19
  6. Step 6: Final answer
    x = 1,403.08

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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.