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Finding the Fourth Proportional to 7,482.84, 11,224.42 and 2,288.72

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Solution

The fourth proportional to 7,482.84, 11,224.42 and 2,288.72 is: 3,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.84 : 11,224.42 = 2,288.72 : x
  2. Step 2: Convert to fraction form
    7,482.84/11,224.42 = 2,288.72/x
  3. Step 3: Cross multiply
    7,482.84x = 11,224.42 × 2,288.72
  4. Step 4: Simplify right side
    7,482.84x = 25,689,554.54
  5. Step 5: Solve for x
    x = 25,689,554.54/7,482.84
  6. Step 6: Final answer
    x = 3,433.13

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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.