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Finding the Fourth Proportional to 7,244,321.10, 10,866,481.65 and 6,696,890.70

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Solution

The fourth proportional to 7,244,321.10, 10,866,481.65 and 6,696,890.70 is: 10,045,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,321.10 : 10,866,481.65 = 6,696,890.70 : x
  2. Step 2: Convert to fraction form
    7,244,321.10/10,866,481.65 = 6,696,890.70/x
  3. Step 3: Cross multiply
    7,244,321.10x = 10,866,481.65 × 6,696,890.70
  4. Step 4: Simplify right side
    7,244,321.10x = 72,771,639,903,605.66
  5. Step 5: Solve for x
    x = 72,771,639,903,605.66/7,244,321.10
  6. Step 6: Final answer
    x = 10,045,336.05

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Similar ratio
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1.5x scale

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.