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Finding the Fourth Proportional to 18,203.87, 25,116.41 and 10,652.06

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Solution

The fourth proportional to 18,203.87, 25,116.41 and 10,652.06 is: 14,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.87 : 25,116.41 = 10,652.06 : x
  2. Step 2: Convert to fraction form
    18,203.87/25,116.41 = 10,652.06/x
  3. Step 3: Cross multiply
    18,203.87x = 25,116.41 × 10,652.06
  4. Step 4: Simplify right side
    18,203.87x = 267,541,595.73
  5. Step 5: Solve for x
    x = 267,541,595.73/18,203.87
  6. Step 6: Final answer
    x = 14,696.96

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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.