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Finding the Fourth Proportional to 15,007.56, 22,496.22 and 7,212.12

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Solution

The fourth proportional to 15,007.56, 22,496.22 and 7,212.12 is: 10,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.56 : 22,496.22 = 7,212.12 : x
  2. Step 2: Convert to fraction form
    15,007.56/22,496.22 = 7,212.12/x
  3. Step 3: Cross multiply
    15,007.56x = 22,496.22 × 7,212.12
  4. Step 4: Simplify right side
    15,007.56x = 162,245,438.19
  5. Step 5: Solve for x
    x = 162,245,438.19/15,007.56
  6. Step 6: Final answer
    x = 10,810.91

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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.