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Finding the Fourth Proportional to 5,938.66, 8,903.66 and 3,860.74

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Solution

The fourth proportional to 5,938.66, 8,903.66 and 3,860.74 is: 5,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.66 : 8,903.66 = 3,860.74 : x
  2. Step 2: Convert to fraction form
    5,938.66/8,903.66 = 3,860.74/x
  3. Step 3: Cross multiply
    5,938.66x = 8,903.66 × 3,860.74
  4. Step 4: Simplify right side
    5,938.66x = 34,374,703.70
  5. Step 5: Solve for x
    x = 34,374,703.70/5,938.66
  6. Step 6: Final answer
    x = 5,788.30

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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.