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Finding the Fourth Proportional to 22,981,351.04, 31,712,679.12 and 12,924,353.76

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Solution

The fourth proportional to 22,981,351.04, 31,712,679.12 and 12,924,353.76 is: 17,834,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981,351.04 : 31,712,679.12 = 12,924,353.76 : x
  2. Step 2: Convert to fraction form
    22,981,351.04/31,712,679.12 = 12,924,353.76/x
  3. Step 3: Cross multiply
    22,981,351.04x = 31,712,679.12 × 12,924,353.76
  4. Step 4: Simplify right side
    22,981,351.04x = 409,865,883,624,245.50
  5. Step 5: Solve for x
    x = 409,865,883,624,245.50/22,981,351.04
  6. Step 6: Final answer
    x = 17,834,716.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.