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Finding the Fourth Proportional to 18,340.70, 27,461.10 and 9,557.06

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Solution

The fourth proportional to 18,340.70, 27,461.10 and 9,557.06 is: 14,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.70 : 27,461.10 = 9,557.06 : x
  2. Step 2: Convert to fraction form
    18,340.70/27,461.10 = 9,557.06/x
  3. Step 3: Cross multiply
    18,340.70x = 27,461.10 × 9,557.06
  4. Step 4: Simplify right side
    18,340.70x = 262,447,380.37
  5. Step 5: Solve for x
    x = 262,447,380.37/18,340.70
  6. Step 6: Final answer
    x = 14,309.56

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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.