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Finding the Fourth Proportional to 15,399.01, 23,099.16 and 7,508.05

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Solution

The fourth proportional to 15,399.01, 23,099.16 and 7,508.05 is: 11,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.01 : 23,099.16 = 7,508.05 : x
  2. Step 2: Convert to fraction form
    15,399.01/23,099.16 = 7,508.05/x
  3. Step 3: Cross multiply
    15,399.01x = 23,099.16 × 7,508.05
  4. Step 4: Simplify right side
    15,399.01x = 173,429,648.24
  5. Step 5: Solve for x
    x = 173,429,648.24/15,399.01
  6. Step 6: Final answer
    x = 11,262.39

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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.