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Finding the Fourth Proportional to 8,554,398.98, 12,831,762.50 and 2,797,154.28

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Solution

The fourth proportional to 8,554,398.98, 12,831,762.50 and 2,797,154.28 is: 4,195,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554,398.98 : 12,831,762.50 = 2,797,154.28 : x
  2. Step 2: Convert to fraction form
    8,554,398.98/12,831,762.50 = 2,797,154.28/x
  3. Step 3: Cross multiply
    8,554,398.98x = 12,831,762.50 × 2,797,154.28
  4. Step 4: Simplify right side
    8,554,398.98x = 35,892,419,396,818.50
  5. Step 5: Solve for x
    x = 35,892,419,396,818.50/8,554,398.98
  6. Step 6: Final answer
    x = 4,195,785.06

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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.