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Finding the Fourth Proportional to 6,999.63, 10,499.45 and 2,382.63

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Solution

The fourth proportional to 6,999.63, 10,499.45 and 2,382.63 is: 3,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.63 : 10,499.45 = 2,382.63 : x
  2. Step 2: Convert to fraction form
    6,999.63/10,499.45 = 2,382.63/x
  3. Step 3: Cross multiply
    6,999.63x = 10,499.45 × 2,382.63
  4. Step 4: Simplify right side
    6,999.63x = 25,016,304.55
  5. Step 5: Solve for x
    x = 25,016,304.55/6,999.63
  6. Step 6: Final answer
    x = 3,573.95

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Double scale
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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.