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Finding the Fourth Proportional to 18,596.38, 27,888.81 and 6,281.50

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Solution

The fourth proportional to 18,596.38, 27,888.81 and 6,281.50 is: 9,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.38 : 27,888.81 = 6,281.50 : x
  2. Step 2: Convert to fraction form
    18,596.38/27,888.81 = 6,281.50/x
  3. Step 3: Cross multiply
    18,596.38x = 27,888.81 × 6,281.50
  4. Step 4: Simplify right side
    18,596.38x = 175,183,560.02
  5. Step 5: Solve for x
    x = 175,183,560.02/18,596.38
  6. Step 6: Final answer
    x = 9,420.30

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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.