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Finding the Fourth Proportional to 3,549.65, 5,324.92 and 1,903.93

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Solution

The fourth proportional to 3,549.65, 5,324.92 and 1,903.93 is: 2,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.65 : 5,324.92 = 1,903.93 : x
  2. Step 2: Convert to fraction form
    3,549.65/5,324.92 = 1,903.93/x
  3. Step 3: Cross multiply
    3,549.65x = 5,324.92 × 1,903.93
  4. Step 4: Simplify right side
    3,549.65x = 10,138,256.86
  5. Step 5: Solve for x
    x = 10,138,256.86/3,549.65
  6. Step 6: Final answer
    x = 2,856.13

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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.