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Finding the Fourth Proportional to 15,011.97, 22,522.82 and 7,219.77

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Solution

The fourth proportional to 15,011.97, 22,522.82 and 7,219.77 is: 10,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.97 : 22,522.82 = 7,219.77 : x
  2. Step 2: Convert to fraction form
    15,011.97/22,522.82 = 7,219.77/x
  3. Step 3: Cross multiply
    15,011.97x = 22,522.82 × 7,219.77
  4. Step 4: Simplify right side
    15,011.97x = 162,609,544.05
  5. Step 5: Solve for x
    x = 162,609,544.05/15,011.97
  6. Step 6: Final answer
    x = 10,831.99

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Double scale
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Similar ratio
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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.