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Finding the Fourth Proportional to 7,015.68, 10,532.16 and 4,976.64

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Solution

The fourth proportional to 7,015.68, 10,532.16 and 4,976.64 is: 7,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.68 : 10,532.16 = 4,976.64 : x
  2. Step 2: Convert to fraction form
    7,015.68/10,532.16 = 4,976.64/x
  3. Step 3: Cross multiply
    7,015.68x = 10,532.16 × 4,976.64
  4. Step 4: Simplify right side
    7,015.68x = 52,414,768.74
  5. Step 5: Solve for x
    x = 52,414,768.74/7,015.68
  6. Step 6: Final answer
    x = 7,471.09

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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.