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Finding the Fourth Proportional to 9,861,213.84, 14,791,820.88 and 2,672,747.72

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Solution

The fourth proportional to 9,861,213.84, 14,791,820.88 and 2,672,747.72 is: 4,009,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861,213.84 : 14,791,820.88 = 2,672,747.72 : x
  2. Step 2: Convert to fraction form
    9,861,213.84/14,791,820.88 = 2,672,747.72/x
  3. Step 3: Cross multiply
    9,861,213.84x = 14,791,820.88 × 2,672,747.72
  4. Step 4: Simplify right side
    9,861,213.84x = 39,534,805,457,709.29
  5. Step 5: Solve for x
    x = 39,534,805,457,709.29/9,861,213.84
  6. Step 6: Final answer
    x = 4,009,121.61

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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.