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Finding the Fourth Proportional to 1,350.56, 2,024.40 and 700.40

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Solution

The fourth proportional to 1,350.56, 2,024.40 and 700.40 is: 1,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.56 : 2,024.40 = 700.40 : x
  2. Step 2: Convert to fraction form
    1,350.56/2,024.40 = 700.40/x
  3. Step 3: Cross multiply
    1,350.56x = 2,024.40 × 700.40
  4. Step 4: Simplify right side
    1,350.56x = 1,417,897.45
  5. Step 5: Solve for x
    x = 1,417,897.45/1,350.56
  6. Step 6: Final answer
    x = 1,049.86

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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.