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Finding the Fourth Proportional to 7,482.77, 11,223.71 and 2,217.56

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Solution

The fourth proportional to 7,482.77, 11,223.71 and 2,217.56 is: 3,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.77 : 11,223.71 = 2,217.56 : x
  2. Step 2: Convert to fraction form
    7,482.77/11,223.71 = 2,217.56/x
  3. Step 3: Cross multiply
    7,482.77x = 11,223.71 × 2,217.56
  4. Step 4: Simplify right side
    7,482.77x = 24,889,239.26
  5. Step 5: Solve for x
    x = 24,889,239.26/7,482.77
  6. Step 6: Final answer
    x = 3,326.21

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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.