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Finding the Fourth Proportional to 7,636.56, 11,394.12 and 6,701.62

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Solution

The fourth proportional to 7,636.56, 11,394.12 and 6,701.62 is: 9,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.56 : 11,394.12 = 6,701.62 : x
  2. Step 2: Convert to fraction form
    7,636.56/11,394.12 = 6,701.62/x
  3. Step 3: Cross multiply
    7,636.56x = 11,394.12 × 6,701.62
  4. Step 4: Simplify right side
    7,636.56x = 76,359,062.47
  5. Step 5: Solve for x
    x = 76,359,062.47/7,636.56
  6. Step 6: Final answer
    x = 9,999.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.