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Finding the Fourth Proportional to 18,282.31, 27,424.44 and 5,803.31

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Solution

The fourth proportional to 18,282.31, 27,424.44 and 5,803.31 is: 8,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.31 : 27,424.44 = 5,803.31 : x
  2. Step 2: Convert to fraction form
    18,282.31/27,424.44 = 5,803.31/x
  3. Step 3: Cross multiply
    18,282.31x = 27,424.44 × 5,803.31
  4. Step 4: Simplify right side
    18,282.31x = 159,152,595.46
  5. Step 5: Solve for x
    x = 159,152,595.46/18,282.31
  6. Step 6: Final answer
    x = 8,705.28

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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.