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Finding the Fourth Proportional to 7,328.99, 10,994.86 and 2,398.90

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Solution

The fourth proportional to 7,328.99, 10,994.86 and 2,398.90 is: 3,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.99 : 10,994.86 = 2,398.90 : x
  2. Step 2: Convert to fraction form
    7,328.99/10,994.86 = 2,398.90/x
  3. Step 3: Cross multiply
    7,328.99x = 10,994.86 × 2,398.90
  4. Step 4: Simplify right side
    7,328.99x = 26,375,569.65
  5. Step 5: Solve for x
    x = 26,375,569.65/7,328.99
  6. Step 6: Final answer
    x = 3,598.80

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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.