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Finding the Fourth Proportional to 18,359.10, 27,530.55 and 7,262.10

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Solution

The fourth proportional to 18,359.10, 27,530.55 and 7,262.10 is: 10,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.10 : 27,530.55 = 7,262.10 : x
  2. Step 2: Convert to fraction form
    18,359.10/27,530.55 = 7,262.10/x
  3. Step 3: Cross multiply
    18,359.10x = 27,530.55 × 7,262.10
  4. Step 4: Simplify right side
    18,359.10x = 199,929,607.16
  5. Step 5: Solve for x
    x = 199,929,607.16/18,359.10
  6. Step 6: Final answer
    x = 10,889.95

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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.