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Finding the Fourth Proportional to 8,950.88, 12,350.48 and 5,224.16

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Solution

The fourth proportional to 8,950.88, 12,350.48 and 5,224.16 is: 7,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.88 : 12,350.48 = 5,224.16 : x
  2. Step 2: Convert to fraction form
    8,950.88/12,350.48 = 5,224.16/x
  3. Step 3: Cross multiply
    8,950.88x = 12,350.48 × 5,224.16
  4. Step 4: Simplify right side
    8,950.88x = 64,520,883.60
  5. Step 5: Solve for x
    x = 64,520,883.60/8,950.88
  6. Step 6: Final answer
    x = 7,208.33

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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.