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Finding the Fourth Proportional to 4,984.08, 7,475.90 and 1,862.90

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Solution

The fourth proportional to 4,984.08, 7,475.90 and 1,862.90 is: 2,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.08 : 7,475.90 = 1,862.90 : x
  2. Step 2: Convert to fraction form
    4,984.08/7,475.90 = 1,862.90/x
  3. Step 3: Cross multiply
    4,984.08x = 7,475.90 × 1,862.90
  4. Step 4: Simplify right side
    4,984.08x = 13,926,835.45
  5. Step 5: Solve for x
    x = 13,926,835.45/4,984.08
  6. Step 6: Final answer
    x = 2,794.26

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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.