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Finding the Fourth Proportional to 4,700.88, 6,472.38 and 3,578.22

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Solution

The fourth proportional to 4,700.88, 6,472.38 and 3,578.22 is: 4,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.88 : 6,472.38 = 3,578.22 : x
  2. Step 2: Convert to fraction form
    4,700.88/6,472.38 = 3,578.22/x
  3. Step 3: Cross multiply
    4,700.88x = 6,472.38 × 3,578.22
  4. Step 4: Simplify right side
    4,700.88x = 23,159,599.56
  5. Step 5: Solve for x
    x = 23,159,599.56/4,700.88
  6. Step 6: Final answer
    x = 4,926.65

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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.