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Finding the Fourth Proportional to 5,587.02, 8,374.05 and 4,939.02

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Solution

The fourth proportional to 5,587.02, 8,374.05 and 4,939.02 is: 7,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.02 : 8,374.05 = 4,939.02 : x
  2. Step 2: Convert to fraction form
    5,587.02/8,374.05 = 4,939.02/x
  3. Step 3: Cross multiply
    5,587.02x = 8,374.05 × 4,939.02
  4. Step 4: Simplify right side
    5,587.02x = 41,359,600.43
  5. Step 5: Solve for x
    x = 41,359,600.43/5,587.02
  6. Step 6: Final answer
    x = 7,402.80

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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.