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Finding the Fourth Proportional to 25,808.56, 38,736.60 and 15,967.06

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Solution

The fourth proportional to 25,808.56, 38,736.60 and 15,967.06 is: 23,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.56 : 38,736.60 = 15,967.06 : x
  2. Step 2: Convert to fraction form
    25,808.56/38,736.60 = 15,967.06/x
  3. Step 3: Cross multiply
    25,808.56x = 38,736.60 × 15,967.06
  4. Step 4: Simplify right side
    25,808.56x = 618,509,616.40
  5. Step 5: Solve for x
    x = 618,509,616.40/25,808.56
  6. Step 6: Final answer
    x = 23,965.29

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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.