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Finding the Fourth Proportional to 18,394.29, 27,595.08 and 7,306.20

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Solution

The fourth proportional to 18,394.29, 27,595.08 and 7,306.20 is: 10,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.29 : 27,595.08 = 7,306.20 : x
  2. Step 2: Convert to fraction form
    18,394.29/27,595.08 = 7,306.20/x
  3. Step 3: Cross multiply
    18,394.29x = 27,595.08 × 7,306.20
  4. Step 4: Simplify right side
    18,394.29x = 201,615,173.50
  5. Step 5: Solve for x
    x = 201,615,173.50/18,394.29
  6. Step 6: Final answer
    x = 10,960.75

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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.