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Finding the Fourth Proportional to 15,045.21, 22,550.81 and 7,244.91

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Solution

The fourth proportional to 15,045.21, 22,550.81 and 7,244.91 is: 10,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.21 : 22,550.81 = 7,244.91 : x
  2. Step 2: Convert to fraction form
    15,045.21/22,550.81 = 7,244.91/x
  3. Step 3: Cross multiply
    15,045.21x = 22,550.81 × 7,244.91
  4. Step 4: Simplify right side
    15,045.21x = 163,378,552.65
  5. Step 5: Solve for x
    x = 163,378,552.65/15,045.21
  6. Step 6: Final answer
    x = 10,859.17

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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.