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Finding the Fourth Proportional to 5,944,803.60, 8,917,205.40 and 3,889,898.40

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Solution

The fourth proportional to 5,944,803.60, 8,917,205.40 and 3,889,898.40 is: 5,834,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,944,803.60 : 8,917,205.40 = 3,889,898.40 : x
  2. Step 2: Convert to fraction form
    5,944,803.60/8,917,205.40 = 3,889,898.40/x
  3. Step 3: Cross multiply
    5,944,803.60x = 8,917,205.40 × 3,889,898.40
  4. Step 4: Simplify right side
    5,944,803.60x = 34,687,023,017,931.36
  5. Step 5: Solve for x
    x = 34,687,023,017,931.36/5,944,803.60
  6. Step 6: Final answer
    x = 5,834,847.60

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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.