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Finding the Fourth Proportional to 14,961.64, 22,448.22 and 5,725.48

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Solution

The fourth proportional to 14,961.64, 22,448.22 and 5,725.48 is: 8,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.64 : 22,448.22 = 5,725.48 : x
  2. Step 2: Convert to fraction form
    14,961.64/22,448.22 = 5,725.48/x
  3. Step 3: Cross multiply
    14,961.64x = 22,448.22 × 5,725.48
  4. Step 4: Simplify right side
    14,961.64x = 128,526,834.65
  5. Step 5: Solve for x
    x = 128,526,834.65/14,961.64
  6. Step 6: Final answer
    x = 8,590.42

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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.