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Finding the Fourth Proportional to 7,473.44, 10,311.18 and 4,822.40

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Solution

The fourth proportional to 7,473.44, 10,311.18 and 4,822.40 is: 6,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.44 : 10,311.18 = 4,822.40 : x
  2. Step 2: Convert to fraction form
    7,473.44/10,311.18 = 4,822.40/x
  3. Step 3: Cross multiply
    7,473.44x = 10,311.18 × 4,822.40
  4. Step 4: Simplify right side
    7,473.44x = 49,724,634.43
  5. Step 5: Solve for x
    x = 49,724,634.43/7,473.44
  6. Step 6: Final answer
    x = 6,653.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.