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Finding the Fourth Proportional to 5,899.90, 8,863.05 and 4,927.90

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Solution

The fourth proportional to 5,899.90, 8,863.05 and 4,927.90 is: 7,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.90 : 8,863.05 = 4,927.90 : x
  2. Step 2: Convert to fraction form
    5,899.90/8,863.05 = 4,927.90/x
  3. Step 3: Cross multiply
    5,899.90x = 8,863.05 × 4,927.90
  4. Step 4: Simplify right side
    5,899.90x = 43,676,224.10
  5. Step 5: Solve for x
    x = 43,676,224.10/5,899.90
  6. Step 6: Final answer
    x = 7,402.88

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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.