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Finding the Fourth Proportional to 8,851.17, 12,216.02 and 6,468.98

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Solution

The fourth proportional to 8,851.17, 12,216.02 and 6,468.98 is: 8,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.17 : 12,216.02 = 6,468.98 : x
  2. Step 2: Convert to fraction form
    8,851.17/12,216.02 = 6,468.98/x
  3. Step 3: Cross multiply
    8,851.17x = 12,216.02 × 6,468.98
  4. Step 4: Simplify right side
    8,851.17x = 79,025,189.06
  5. Step 5: Solve for x
    x = 79,025,189.06/8,851.17
  6. Step 6: Final answer
    x = 8,928.22

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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.