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Finding the Fourth Proportional to 8,008.47, 11,056.88 and 7,167.71

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Solution

The fourth proportional to 8,008.47, 11,056.88 and 7,167.71 is: 9,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.47 : 11,056.88 = 7,167.71 : x
  2. Step 2: Convert to fraction form
    8,008.47/11,056.88 = 7,167.71/x
  3. Step 3: Cross multiply
    8,008.47x = 11,056.88 × 7,167.71
  4. Step 4: Simplify right side
    8,008.47x = 79,252,528.03
  5. Step 5: Solve for x
    x = 79,252,528.03/8,008.47
  6. Step 6: Final answer
    x = 9,896.09

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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.