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Finding the Fourth Proportional to 1,572.84, 2,359.14 and 1,363.86

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Solution

The fourth proportional to 1,572.84, 2,359.14 and 1,363.86 is: 2,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.84 : 2,359.14 = 1,363.86 : x
  2. Step 2: Convert to fraction form
    1,572.84/2,359.14 = 1,363.86/x
  3. Step 3: Cross multiply
    1,572.84x = 2,359.14 × 1,363.86
  4. Step 4: Simplify right side
    1,572.84x = 3,217,536.68
  5. Step 5: Solve for x
    x = 3,217,536.68/1,572.84
  6. Step 6: Final answer
    x = 2,045.69

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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.