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Finding the Fourth Proportional to 5,701,859.87, 8,550,978.98 and 1,862,807.36

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Solution

The fourth proportional to 5,701,859.87, 8,550,978.98 and 1,862,807.36 is: 2,793,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,701,859.87 : 8,550,978.98 = 1,862,807.36 : x
  2. Step 2: Convert to fraction form
    5,701,859.87/8,550,978.98 = 1,862,807.36/x
  3. Step 3: Cross multiply
    5,701,859.87x = 8,550,978.98 × 1,862,807.36
  4. Step 4: Simplify right side
    5,701,859.87x = 15,928,826,527,080.36
  5. Step 5: Solve for x
    x = 15,928,826,527,080.36/5,701,859.87
  6. Step 6: Final answer
    x = 2,793,619.43

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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.