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Finding the Fourth Proportional to 35,490.78, 48,932.31 and 23,389.38

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Solution

The fourth proportional to 35,490.78, 48,932.31 and 23,389.38 is: 32,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.78 : 48,932.31 = 23,389.38 : x
  2. Step 2: Convert to fraction form
    35,490.78/48,932.31 = 23,389.38/x
  3. Step 3: Cross multiply
    35,490.78x = 48,932.31 × 23,389.38
  4. Step 4: Simplify right side
    35,490.78x = 1,144,496,392.87
  5. Step 5: Solve for x
    x = 1,144,496,392.87/35,490.78
  6. Step 6: Final answer
    x = 32,247.71

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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.