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Finding the Fourth Proportional to 10,998.73, 16,499.04 and 3,603.16

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Solution

The fourth proportional to 10,998.73, 16,499.04 and 3,603.16 is: 5,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.73 : 16,499.04 = 3,603.16 : x
  2. Step 2: Convert to fraction form
    10,998.73/16,499.04 = 3,603.16/x
  3. Step 3: Cross multiply
    10,998.73x = 16,499.04 × 3,603.16
  4. Step 4: Simplify right side
    10,998.73x = 59,448,680.97
  5. Step 5: Solve for x
    x = 59,448,680.97/10,998.73
  6. Step 6: Final answer
    x = 5,405.05

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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.