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Finding the Fourth Proportional to 2,900.68, 4,351.92 and 1,052.68

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Solution

The fourth proportional to 2,900.68, 4,351.92 and 1,052.68 is: 1,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.68 : 4,351.92 = 1,052.68 : x
  2. Step 2: Convert to fraction form
    2,900.68/4,351.92 = 1,052.68/x
  3. Step 3: Cross multiply
    2,900.68x = 4,351.92 × 1,052.68
  4. Step 4: Simplify right side
    2,900.68x = 4,581,179.15
  5. Step 5: Solve for x
    x = 4,581,179.15/2,900.68
  6. Step 6: Final answer
    x = 1,579.35

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1.5x scale

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.