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Finding the Fourth Proportional to 9,639,506.80, 14,482,879.80 and 7,248,022.30

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Solution

The fourth proportional to 9,639,506.80, 14,482,879.80 and 7,248,022.30 is: 10,889,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639,506.80 : 14,482,879.80 = 7,248,022.30 : x
  2. Step 2: Convert to fraction form
    9,639,506.80/14,482,879.80 = 7,248,022.30/x
  3. Step 3: Cross multiply
    9,639,506.80x = 14,482,879.80 × 7,248,022.30
  4. Step 4: Simplify right side
    9,639,506.80x = 104,972,235,758,619.55
  5. Step 5: Solve for x
    x = 104,972,235,758,619.55/9,639,506.80
  6. Step 6: Final answer
    x = 10,889,793.22

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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.