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Finding the Fourth Proportional to 12,722,793.15, 17,774,119.05 and 12,722,793.15

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Solution

The fourth proportional to 12,722,793.15, 17,774,119.05 and 12,722,793.15 is: 17,774,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722,793.15 : 17,774,119.05 = 12,722,793.15 : x
  2. Step 2: Convert to fraction form
    12,722,793.15/17,774,119.05 = 12,722,793.15/x
  3. Step 3: Cross multiply
    12,722,793.15x = 17,774,119.05 × 12,722,793.15
  4. Step 4: Simplify right side
    12,722,793.15x = 226,136,440,096,624.53
  5. Step 5: Solve for x
    x = 226,136,440,096,624.53/12,722,793.15
  6. Step 6: Final answer
    x = 17,774,119.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.