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Finding the Fourth Proportional to 15,002.92, 22,509.24 and 7,212.34

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Solution

The fourth proportional to 15,002.92, 22,509.24 and 7,212.34 is: 10,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.92 : 22,509.24 = 7,212.34 : x
  2. Step 2: Convert to fraction form
    15,002.92/22,509.24 = 7,212.34/x
  3. Step 3: Cross multiply
    15,002.92x = 22,509.24 × 7,212.34
  4. Step 4: Simplify right side
    15,002.92x = 162,344,292.02
  5. Step 5: Solve for x
    x = 162,344,292.02/15,002.92
  6. Step 6: Final answer
    x = 10,820.85

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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.