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Finding the Fourth Proportional to 15,209.92, 22,814.91 and 4,821.64

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Solution

The fourth proportional to 15,209.92, 22,814.91 and 4,821.64 is: 7,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.92 : 22,814.91 = 4,821.64 : x
  2. Step 2: Convert to fraction form
    15,209.92/22,814.91 = 4,821.64/x
  3. Step 3: Cross multiply
    15,209.92x = 22,814.91 × 4,821.64
  4. Step 4: Simplify right side
    15,209.92x = 110,005,282.65
  5. Step 5: Solve for x
    x = 110,005,282.65/15,209.92
  6. Step 6: Final answer
    x = 7,232.47

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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.