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Finding the Fourth Proportional to 5,889,764.70, 8,834,728.65 and 3,880,868.70

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Solution

The fourth proportional to 5,889,764.70, 8,834,728.65 and 3,880,868.70 is: 5,821,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889,764.70 : 8,834,728.65 = 3,880,868.70 : x
  2. Step 2: Convert to fraction form
    5,889,764.70/8,834,728.65 = 3,880,868.70/x
  3. Step 3: Cross multiply
    5,889,764.70x = 8,834,728.65 × 3,880,868.70
  4. Step 4: Simplify right side
    5,889,764.70x = 34,286,421,890,778.26
  5. Step 5: Solve for x
    x = 34,286,421,890,778.26/5,889,764.70
  6. Step 6: Final answer
    x = 5,821,356.82

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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.