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Finding the Fourth Proportional to 1,433.97, 2,148.12 and 701.34

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Solution

The fourth proportional to 1,433.97, 2,148.12 and 701.34 is: 1,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.97 : 2,148.12 = 701.34 : x
  2. Step 2: Convert to fraction form
    1,433.97/2,148.12 = 701.34/x
  3. Step 3: Cross multiply
    1,433.97x = 2,148.12 × 701.34
  4. Step 4: Simplify right side
    1,433.97x = 1,506,562.48
  5. Step 5: Solve for x
    x = 1,506,562.48/1,433.97
  6. Step 6: Final answer
    x = 1,050.62

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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.