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Finding the Fourth Proportional to 3,866,492.80, 5,800,516.80 and 3,239,747.20

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Solution

The fourth proportional to 3,866,492.80, 5,800,516.80 and 3,239,747.20 is: 4,860,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,492.80 : 5,800,516.80 = 3,239,747.20 : x
  2. Step 2: Convert to fraction form
    3,866,492.80/5,800,516.80 = 3,239,747.20/x
  3. Step 3: Cross multiply
    3,866,492.80x = 5,800,516.80 × 3,239,747.20
  4. Step 4: Simplify right side
    3,866,492.80x = 18,792,208,061,352.96
  5. Step 5: Solve for x
    x = 18,792,208,061,352.96/3,866,492.80
  6. Step 6: Final answer
    x = 4,860,272.35

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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.