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Finding the Fourth Proportional to 6,418.72, 8,882.11 and 5,473.02

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Solution

The fourth proportional to 6,418.72, 8,882.11 and 5,473.02 is: 7,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.72 : 8,882.11 = 5,473.02 : x
  2. Step 2: Convert to fraction form
    6,418.72/8,882.11 = 5,473.02/x
  3. Step 3: Cross multiply
    6,418.72x = 8,882.11 × 5,473.02
  4. Step 4: Simplify right side
    6,418.72x = 48,611,925.07
  5. Step 5: Solve for x
    x = 48,611,925.07/6,418.72
  6. Step 6: Final answer
    x = 7,573.46

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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.