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Finding the Fourth Proportional to 3,895,603.20, 5,843,404.80 and 2,551,910.40

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Solution

The fourth proportional to 3,895,603.20, 5,843,404.80 and 2,551,910.40 is: 3,827,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,603.20 : 5,843,404.80 = 2,551,910.40 : x
  2. Step 2: Convert to fraction form
    3,895,603.20/5,843,404.80 = 2,551,910.40/x
  3. Step 3: Cross multiply
    3,895,603.20x = 5,843,404.80 × 2,551,910.40
  4. Step 4: Simplify right side
    3,895,603.20x = 14,911,845,480,529.92
  5. Step 5: Solve for x
    x = 14,911,845,480,529.92/3,895,603.20
  6. Step 6: Final answer
    x = 3,827,865.60

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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.