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Finding the Fourth Proportional to 22,656.87, 33,971.94 and 6,857.10

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Solution

The fourth proportional to 22,656.87, 33,971.94 and 6,857.10 is: 10,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.87 : 33,971.94 = 6,857.10 : x
  2. Step 2: Convert to fraction form
    22,656.87/33,971.94 = 6,857.10/x
  3. Step 3: Cross multiply
    22,656.87x = 33,971.94 × 6,857.10
  4. Step 4: Simplify right side
    22,656.87x = 232,948,989.77
  5. Step 5: Solve for x
    x = 232,948,989.77/22,656.87
  6. Step 6: Final answer
    x = 10,281.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.