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Finding the Fourth Proportional to 15,019.16, 22,495.92 and 7,610.90

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Solution

The fourth proportional to 15,019.16, 22,495.92 and 7,610.90 is: 11,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.16 : 22,495.92 = 7,610.90 : x
  2. Step 2: Convert to fraction form
    15,019.16/22,495.92 = 7,610.90/x
  3. Step 3: Cross multiply
    15,019.16x = 22,495.92 × 7,610.90
  4. Step 4: Simplify right side
    15,019.16x = 171,214,085.05
  5. Step 5: Solve for x
    x = 171,214,085.05/15,019.16
  6. Step 6: Final answer
    x = 11,399.71

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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.