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Finding the Fourth Proportional to 18,441,207.40, 27,661,811.10 and 17,496,423.40

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Solution

The fourth proportional to 18,441,207.40, 27,661,811.10 and 17,496,423.40 is: 26,244,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,207.40 : 27,661,811.10 = 17,496,423.40 : x
  2. Step 2: Convert to fraction form
    18,441,207.40/27,661,811.10 = 17,496,423.40/x
  3. Step 3: Cross multiply
    18,441,207.40x = 27,661,811.10 × 17,496,423.40
  4. Step 4: Simplify right side
    18,441,207.40x = 483,982,759,016,419.75
  5. Step 5: Solve for x
    x = 483,982,759,016,419.75/18,441,207.40
  6. Step 6: Final answer
    x = 26,244,635.10

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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.