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Finding the Fourth Proportional to 25,883.70, 35,706.87 and 16,455.30

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Solution

The fourth proportional to 25,883.70, 35,706.87 and 16,455.30 is: 22,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.70 : 35,706.87 = 16,455.30 : x
  2. Step 2: Convert to fraction form
    25,883.70/35,706.87 = 16,455.30/x
  3. Step 3: Cross multiply
    25,883.70x = 35,706.87 × 16,455.30
  4. Step 4: Simplify right side
    25,883.70x = 587,567,257.91
  5. Step 5: Solve for x
    x = 587,567,257.91/25,883.70
  6. Step 6: Final answer
    x = 22,700.28

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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.