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Finding the Fourth Proportional to 8,824.97, 12,167.84 and 7,026.84

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Solution

The fourth proportional to 8,824.97, 12,167.84 and 7,026.84 is: 9,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.97 : 12,167.84 = 7,026.84 : x
  2. Step 2: Convert to fraction form
    8,824.97/12,167.84 = 7,026.84/x
  3. Step 3: Cross multiply
    8,824.97x = 12,167.84 × 7,026.84
  4. Step 4: Simplify right side
    8,824.97x = 85,501,482.39
  5. Step 5: Solve for x
    x = 85,501,482.39/8,824.97
  6. Step 6: Final answer
    x = 9,688.58

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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.