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Finding the Fourth Proportional to 7,325.67, 10,984.28 and 6,449.93

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Solution

The fourth proportional to 7,325.67, 10,984.28 and 6,449.93 is: 9,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.67 : 10,984.28 = 6,449.93 : x
  2. Step 2: Convert to fraction form
    7,325.67/10,984.28 = 6,449.93/x
  3. Step 3: Cross multiply
    7,325.67x = 10,984.28 × 6,449.93
  4. Step 4: Simplify right side
    7,325.67x = 70,847,804.85
  5. Step 5: Solve for x
    x = 70,847,804.85/7,325.67
  6. Step 6: Final answer
    x = 9,671.17

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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.