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Finding the Fourth Proportional to 1,462.80, 2,194.12 and 1,031.84

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Solution

The fourth proportional to 1,462.80, 2,194.12 and 1,031.84 is: 1,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.80 : 2,194.12 = 1,031.84 : x
  2. Step 2: Convert to fraction form
    1,462.80/2,194.12 = 1,031.84/x
  3. Step 3: Cross multiply
    1,462.80x = 2,194.12 × 1,031.84
  4. Step 4: Simplify right side
    1,462.80x = 2,263,980.78
  5. Step 5: Solve for x
    x = 2,263,980.78/1,462.80
  6. Step 6: Final answer
    x = 1,547.70

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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.