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Finding the Fourth Proportional to 7,393.48, 11,069.10 and 5,636.44

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Solution

The fourth proportional to 7,393.48, 11,069.10 and 5,636.44 is: 8,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.48 : 11,069.10 = 5,636.44 : x
  2. Step 2: Convert to fraction form
    7,393.48/11,069.10 = 5,636.44/x
  3. Step 3: Cross multiply
    7,393.48x = 11,069.10 × 5,636.44
  4. Step 4: Simplify right side
    7,393.48x = 62,390,318.00
  5. Step 5: Solve for x
    x = 62,390,318.00/7,393.48
  6. Step 6: Final answer
    x = 8,438.56

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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.