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Finding the Fourth Proportional to 12,795,728.90, 19,193,593.41 and 4,276,065.35

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Solution

The fourth proportional to 12,795,728.90, 19,193,593.41 and 4,276,065.35 is: 6,414,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795,728.90 : 19,193,593.41 = 4,276,065.35 : x
  2. Step 2: Convert to fraction form
    12,795,728.90/19,193,593.41 = 4,276,065.35/x
  3. Step 3: Cross multiply
    12,795,728.90x = 19,193,593.41 × 4,276,065.35
  4. Step 4: Simplify right side
    12,795,728.90x = 82,073,059,626,521.38
  5. Step 5: Solve for x
    x = 82,073,059,626,521.38/12,795,728.90
  6. Step 6: Final answer
    x = 6,414,098.04

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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.