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Finding the Fourth Proportional to 7,167.36, 10,682.52 and 7,156.44

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Solution

The fourth proportional to 7,167.36, 10,682.52 and 7,156.44 is: 10,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.36 : 10,682.52 = 7,156.44 : x
  2. Step 2: Convert to fraction form
    7,167.36/10,682.52 = 7,156.44/x
  3. Step 3: Cross multiply
    7,167.36x = 10,682.52 × 7,156.44
  4. Step 4: Simplify right side
    7,167.36x = 76,448,813.43
  5. Step 5: Solve for x
    x = 76,448,813.43/7,167.36
  6. Step 6: Final answer
    x = 10,666.24

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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.