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Finding the Fourth Proportional to 7,288.94, 10,927.18 and 3,338.87

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Solution

The fourth proportional to 7,288.94, 10,927.18 and 3,338.87 is: 5,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.94 : 10,927.18 = 3,338.87 : x
  2. Step 2: Convert to fraction form
    7,288.94/10,927.18 = 3,338.87/x
  3. Step 3: Cross multiply
    7,288.94x = 10,927.18 × 3,338.87
  4. Step 4: Simplify right side
    7,288.94x = 36,484,452.46
  5. Step 5: Solve for x
    x = 36,484,452.46/7,288.94
  6. Step 6: Final answer
    x = 5,005.45

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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.