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Finding the Fourth Proportional to 18,000.99, 27,001.41 and 4,854.69

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Solution

The fourth proportional to 18,000.99, 27,001.41 and 4,854.69 is: 7,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.99 : 27,001.41 = 4,854.69 : x
  2. Step 2: Convert to fraction form
    18,000.99/27,001.41 = 4,854.69/x
  3. Step 3: Cross multiply
    18,000.99x = 27,001.41 × 4,854.69
  4. Step 4: Simplify right side
    18,000.99x = 131,083,475.11
  5. Step 5: Solve for x
    x = 131,083,475.11/18,000.99
  6. Step 6: Final answer
    x = 7,282.01

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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.