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Finding the Fourth Proportional to 25,792.69, 35,609.45 and 16,855.15

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Solution

The fourth proportional to 25,792.69, 35,609.45 and 16,855.15 is: 23,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,792.69 : 35,609.45 = 16,855.15 : x
  2. Step 2: Convert to fraction form
    25,792.69/35,609.45 = 16,855.15/x
  3. Step 3: Cross multiply
    25,792.69x = 35,609.45 × 16,855.15
  4. Step 4: Simplify right side
    25,792.69x = 600,202,621.17
  5. Step 5: Solve for x
    x = 600,202,621.17/25,792.69
  6. Step 6: Final answer
    x = 23,270.26

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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.