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Finding the Fourth Proportional to 7,902.76, 11,873.60 and 5,949.04

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Solution

The fourth proportional to 7,902.76, 11,873.60 and 5,949.04 is: 8,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.76 : 11,873.60 = 5,949.04 : x
  2. Step 2: Convert to fraction form
    7,902.76/11,873.60 = 5,949.04/x
  3. Step 3: Cross multiply
    7,902.76x = 11,873.60 × 5,949.04
  4. Step 4: Simplify right side
    7,902.76x = 70,636,521.34
  5. Step 5: Solve for x
    x = 70,636,521.34/7,902.76
  6. Step 6: Final answer
    x = 8,938.21

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1.5x scale

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.