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Finding the Fourth Proportional to 9,007.91, 13,452.73 and 7,677.49

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Solution

The fourth proportional to 9,007.91, 13,452.73 and 7,677.49 is: 11,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.91 : 13,452.73 = 7,677.49 : x
  2. Step 2: Convert to fraction form
    9,007.91/13,452.73 = 7,677.49/x
  3. Step 3: Cross multiply
    9,007.91x = 13,452.73 × 7,677.49
  4. Step 4: Simplify right side
    9,007.91x = 103,283,215.63
  5. Step 5: Solve for x
    x = 103,283,215.63/9,007.91
  6. Step 6: Final answer
    x = 11,465.83

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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.