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Finding the Fourth Proportional to 2,343.30, 3,235.07 and 1,869.68

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Solution

The fourth proportional to 2,343.30, 3,235.07 and 1,869.68 is: 2,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.30 : 3,235.07 = 1,869.68 : x
  2. Step 2: Convert to fraction form
    2,343.30/3,235.07 = 1,869.68/x
  3. Step 3: Cross multiply
    2,343.30x = 3,235.07 × 1,869.68
  4. Step 4: Simplify right side
    2,343.30x = 6,048,520.15
  5. Step 5: Solve for x
    x = 6,048,520.15/2,343.30
  6. Step 6: Final answer
    x = 2,581.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.