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Finding the Fourth Proportional to 2,403, 3,316.14 and 1,355.04

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Solution

The fourth proportional to 2,403, 3,316.14 and 1,355.04 is: 1,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403 : 3,316.14 = 1,355.04 : x
  2. Step 2: Convert to fraction form
    2,403/3,316.14 = 1,355.04/x
  3. Step 3: Cross multiply
    2,403x = 3,316.14 × 1,355.04
  4. Step 4: Simplify right side
    2,403x = 4,493,502.35
  5. Step 5: Solve for x
    x = 4,493,502.35/2,403
  6. Step 6: Final answer
    x = 1,869.96

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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.