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Finding the Fourth Proportional to 8,902.50, 13,353.93 and 2,746.50

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Solution

The fourth proportional to 8,902.50, 13,353.93 and 2,746.50 is: 4,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.50 : 13,353.93 = 2,746.50 : x
  2. Step 2: Convert to fraction form
    8,902.50/13,353.93 = 2,746.50/x
  3. Step 3: Cross multiply
    8,902.50x = 13,353.93 × 2,746.50
  4. Step 4: Simplify right side
    8,902.50x = 36,676,568.75
  5. Step 5: Solve for x
    x = 36,676,568.75/8,902.50
  6. Step 6: Final answer
    x = 4,119.81

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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.