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Finding the Fourth Proportional to 9,264,470.70, 13,896,706.05 and 6,872,986.20

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Solution

The fourth proportional to 9,264,470.70, 13,896,706.05 and 6,872,986.20 is: 10,309,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264,470.70 : 13,896,706.05 = 6,872,986.20 : x
  2. Step 2: Convert to fraction form
    9,264,470.70/13,896,706.05 = 6,872,986.20/x
  3. Step 3: Cross multiply
    9,264,470.70x = 13,896,706.05 × 6,872,986.20
  4. Step 4: Simplify right side
    9,264,470.70x = 95,511,868,907,106.52
  5. Step 5: Solve for x
    x = 95,511,868,907,106.52/9,264,470.70
  6. Step 6: Final answer
    x = 10,309,479.30

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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.