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Finding the Fourth Proportional to 15,099.05, 20,832.93 and 9,050.24

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Solution

The fourth proportional to 15,099.05, 20,832.93 and 9,050.24 is: 12,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.05 : 20,832.93 = 9,050.24 : x
  2. Step 2: Convert to fraction form
    15,099.05/20,832.93 = 9,050.24/x
  3. Step 3: Cross multiply
    15,099.05x = 20,832.93 × 9,050.24
  4. Step 4: Simplify right side
    15,099.05x = 188,543,016.40
  5. Step 5: Solve for x
    x = 188,543,016.40/15,099.05
  6. Step 6: Final answer
    x = 12,487.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.