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Finding the Fourth Proportional to 25,203.70, 37,817.70 and 17,792.20

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Solution

The fourth proportional to 25,203.70, 37,817.70 and 17,792.20 is: 26,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.70 : 37,817.70 = 17,792.20 : x
  2. Step 2: Convert to fraction form
    25,203.70/37,817.70 = 17,792.20/x
  3. Step 3: Cross multiply
    25,203.70x = 37,817.70 × 17,792.20
  4. Step 4: Simplify right side
    25,203.70x = 672,860,081.94
  5. Step 5: Solve for x
    x = 672,860,081.94/25,203.70
  6. Step 6: Final answer
    x = 26,696.88

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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.