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Finding the Fourth Proportional to 18,375.58, 27,549.78 and 5,888.35

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Solution

The fourth proportional to 18,375.58, 27,549.78 and 5,888.35 is: 8,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.58 : 27,549.78 = 5,888.35 : x
  2. Step 2: Convert to fraction form
    18,375.58/27,549.78 = 5,888.35/x
  3. Step 3: Cross multiply
    18,375.58x = 27,549.78 × 5,888.35
  4. Step 4: Simplify right side
    18,375.58x = 162,222,747.06
  5. Step 5: Solve for x
    x = 162,222,747.06/18,375.58
  6. Step 6: Final answer
    x = 8,828.17

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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.