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Finding the Fourth Proportional to 2,903.18, 4,354.29 and 955.13

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Solution

The fourth proportional to 2,903.18, 4,354.29 and 955.13 is: 1,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.18 : 4,354.29 = 955.13 : x
  2. Step 2: Convert to fraction form
    2,903.18/4,354.29 = 955.13/x
  3. Step 3: Cross multiply
    2,903.18x = 4,354.29 × 955.13
  4. Step 4: Simplify right side
    2,903.18x = 4,158,891.24
  5. Step 5: Solve for x
    x = 4,158,891.24/2,903.18
  6. Step 6: Final answer
    x = 1,432.53

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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.