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Finding the Fourth Proportional to 9,266.88, 13,903.90 and 5,571.66

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Solution

The fourth proportional to 9,266.88, 13,903.90 and 5,571.66 is: 8,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.88 : 13,903.90 = 5,571.66 : x
  2. Step 2: Convert to fraction form
    9,266.88/13,903.90 = 5,571.66/x
  3. Step 3: Cross multiply
    9,266.88x = 13,903.90 × 5,571.66
  4. Step 4: Simplify right side
    9,266.88x = 77,467,803.47
  5. Step 5: Solve for x
    x = 77,467,803.47/9,266.88
  6. Step 6: Final answer
    x = 8,359.64

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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.