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Finding the Fourth Proportional to 25,691.78, 35,460.59 and 16,723.67

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Solution

The fourth proportional to 25,691.78, 35,460.59 and 16,723.67 is: 23,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.78 : 35,460.59 = 16,723.67 : x
  2. Step 2: Convert to fraction form
    25,691.78/35,460.59 = 16,723.67/x
  3. Step 3: Cross multiply
    25,691.78x = 35,460.59 × 16,723.67
  4. Step 4: Simplify right side
    25,691.78x = 593,030,944.24
  5. Step 5: Solve for x
    x = 593,030,944.24/25,691.78
  6. Step 6: Final answer
    x = 23,082.51

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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.