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Finding the Fourth Proportional to 18,000.62, 26,998.19 and 4,854.01

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Solution

The fourth proportional to 18,000.62, 26,998.19 and 4,854.01 is: 7,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.62 : 26,998.19 = 4,854.01 : x
  2. Step 2: Convert to fraction form
    18,000.62/26,998.19 = 4,854.01/x
  3. Step 3: Cross multiply
    18,000.62x = 26,998.19 × 4,854.01
  4. Step 4: Simplify right side
    18,000.62x = 131,049,484.24
  5. Step 5: Solve for x
    x = 131,049,484.24/18,000.62
  6. Step 6: Final answer
    x = 7,280.28

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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.