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Finding the Fourth Proportional to 7,051.55, 9,732.01 and 4,067.39

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Solution

The fourth proportional to 7,051.55, 9,732.01 and 4,067.39 is: 5,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.55 : 9,732.01 = 4,067.39 : x
  2. Step 2: Convert to fraction form
    7,051.55/9,732.01 = 4,067.39/x
  3. Step 3: Cross multiply
    7,051.55x = 9,732.01 × 4,067.39
  4. Step 4: Simplify right side
    7,051.55x = 39,583,880.15
  5. Step 5: Solve for x
    x = 39,583,880.15/7,051.55
  6. Step 6: Final answer
    x = 5,613.50

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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.