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Finding the Fourth Proportional to 44,600,498.88, 66,900,759.84 and 12,687,794.88

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Solution

The fourth proportional to 44,600,498.88, 66,900,759.84 and 12,687,794.88 is: 19,031,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,600,498.88 : 66,900,759.84 = 12,687,794.88 : x
  2. Step 2: Convert to fraction form
    44,600,498.88/66,900,759.84 = 12,687,794.88/x
  3. Step 3: Cross multiply
    44,600,498.88x = 66,900,759.84 × 12,687,794.88
  4. Step 4: Simplify right side
    44,600,498.88x = 848,823,118,166,061.75
  5. Step 5: Solve for x
    x = 848,823,118,166,061.75/44,600,498.88
  6. Step 6: Final answer
    x = 19,031,695.60

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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.