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Finding the Fourth Proportional to 24,745.44, 34,129.44 and 15,319.20

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Solution

The fourth proportional to 24,745.44, 34,129.44 and 15,319.20 is: 21,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,745.44 : 34,129.44 = 15,319.20 : x
  2. Step 2: Convert to fraction form
    24,745.44/34,129.44 = 15,319.20/x
  3. Step 3: Cross multiply
    24,745.44x = 34,129.44 × 15,319.20
  4. Step 4: Simplify right side
    24,745.44x = 522,835,717.25
  5. Step 5: Solve for x
    x = 522,835,717.25/24,745.44
  6. Step 6: Final answer
    x = 21,128.57

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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.