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Finding the Fourth Proportional to 2,903.74, 4,355.61 and 2,041.90

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Solution

The fourth proportional to 2,903.74, 4,355.61 and 2,041.90 is: 3,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.74 : 4,355.61 = 2,041.90 : x
  2. Step 2: Convert to fraction form
    2,903.74/4,355.61 = 2,041.90/x
  3. Step 3: Cross multiply
    2,903.74x = 4,355.61 × 2,041.90
  4. Step 4: Simplify right side
    2,903.74x = 8,893,720.06
  5. Step 5: Solve for x
    x = 8,893,720.06/2,903.74
  6. Step 6: Final answer
    x = 3,062.85

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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.