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Finding the Fourth Proportional to 5,668,752.59, 7,822,995.96 and 3,188,020.67

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Solution

The fourth proportional to 5,668,752.59, 7,822,995.96 and 3,188,020.67 is: 4,399,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668,752.59 : 7,822,995.96 = 3,188,020.67 : x
  2. Step 2: Convert to fraction form
    5,668,752.59/7,822,995.96 = 3,188,020.67/x
  3. Step 3: Cross multiply
    5,668,752.59x = 7,822,995.96 × 3,188,020.67
  4. Step 4: Simplify right side
    5,668,752.59x = 24,939,872,821,806.49
  5. Step 5: Solve for x
    x = 24,939,872,821,806.49/5,668,752.59
  6. Step 6: Final answer
    x = 4,399,534.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.