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Finding the Fourth Proportional to 4,935.26, 7,375.59 and 4,421.31

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Solution

The fourth proportional to 4,935.26, 7,375.59 and 4,421.31 is: 6,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.26 : 7,375.59 = 4,421.31 : x
  2. Step 2: Convert to fraction form
    4,935.26/7,375.59 = 4,421.31/x
  3. Step 3: Cross multiply
    4,935.26x = 7,375.59 × 4,421.31
  4. Step 4: Simplify right side
    4,935.26x = 32,609,753.24
  5. Step 5: Solve for x
    x = 32,609,753.24/4,935.26
  6. Step 6: Final answer
    x = 6,607.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.