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Finding the Fourth Proportional to 25,162.48, 34,735.68 and 18,448.48

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Solution

The fourth proportional to 25,162.48, 34,735.68 and 18,448.48 is: 25,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.48 : 34,735.68 = 18,448.48 : x
  2. Step 2: Convert to fraction form
    25,162.48/34,735.68 = 18,448.48/x
  3. Step 3: Cross multiply
    25,162.48x = 34,735.68 × 18,448.48
  4. Step 4: Simplify right side
    25,162.48x = 640,820,497.77
  5. Step 5: Solve for x
    x = 640,820,497.77/25,162.48
  6. Step 6: Final answer
    x = 25,467.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.