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Finding the Fourth Proportional to 12,274,612.84, 18,411,251.88 and 3,754,949.30

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Solution

The fourth proportional to 12,274,612.84, 18,411,251.88 and 3,754,949.30 is: 5,632,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,612.84 : 18,411,251.88 = 3,754,949.30 : x
  2. Step 2: Convert to fraction form
    12,274,612.84/18,411,251.88 = 3,754,949.30/x
  3. Step 3: Cross multiply
    12,274,612.84x = 18,411,251.88 × 3,754,949.30
  4. Step 4: Simplify right side
    12,274,612.84x = 69,133,317,432,438.38
  5. Step 5: Solve for x
    x = 69,133,317,432,438.38/12,274,612.84
  6. Step 6: Final answer
    x = 5,632,219.80

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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.