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Finding the Fourth Proportional to 11,349,978.20, 17,024,967.30 and 10,304,883.80

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Solution

The fourth proportional to 11,349,978.20, 17,024,967.30 and 10,304,883.80 is: 15,457,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349,978.20 : 17,024,967.30 = 10,304,883.80 : x
  2. Step 2: Convert to fraction form
    11,349,978.20/17,024,967.30 = 10,304,883.80/x
  3. Step 3: Cross multiply
    11,349,978.20x = 17,024,967.30 × 10,304,883.80
  4. Step 4: Simplify right side
    11,349,978.20x = 175,440,309,725,299.75
  5. Step 5: Solve for x
    x = 175,440,309,725,299.75/11,349,978.20
  6. Step 6: Final answer
    x = 15,457,325.70

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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.