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Finding the Fourth Proportional to 25,967.70, 35,816.22 and 19,253.70

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Solution

The fourth proportional to 25,967.70, 35,816.22 and 19,253.70 is: 26,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,967.70 : 35,816.22 = 19,253.70 : x
  2. Step 2: Convert to fraction form
    25,967.70/35,816.22 = 19,253.70/x
  3. Step 3: Cross multiply
    25,967.70x = 35,816.22 × 19,253.70
  4. Step 4: Simplify right side
    25,967.70x = 689,594,755.01
  5. Step 5: Solve for x
    x = 689,594,755.01/25,967.70
  6. Step 6: Final answer
    x = 26,555.87

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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.