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Finding the Fourth Proportional to 15,011.72, 22,522.44 and 7,219.52

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Solution

The fourth proportional to 15,011.72, 22,522.44 and 7,219.52 is: 10,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.72 : 22,522.44 = 7,219.52 : x
  2. Step 2: Convert to fraction form
    15,011.72/22,522.44 = 7,219.52/x
  3. Step 3: Cross multiply
    15,011.72x = 22,522.44 × 7,219.52
  4. Step 4: Simplify right side
    15,011.72x = 162,601,206.03
  5. Step 5: Solve for x
    x = 162,601,206.03/15,011.72
  6. Step 6: Final answer
    x = 10,831.62

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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.