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Finding the Fourth Proportional to 23,521.78, 35,286.72 and 7,935.76

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Solution

The fourth proportional to 23,521.78, 35,286.72 and 7,935.76 is: 11,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,521.78 : 35,286.72 = 7,935.76 : x
  2. Step 2: Convert to fraction form
    23,521.78/35,286.72 = 7,935.76/x
  3. Step 3: Cross multiply
    23,521.78x = 35,286.72 × 7,935.76
  4. Step 4: Simplify right side
    23,521.78x = 280,026,941.11
  5. Step 5: Solve for x
    x = 280,026,941.11/23,521.78
  6. Step 6: Final answer
    x = 11,905.01

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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.