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Finding the Fourth Proportional to 35,494.32, 48,981.38 and 19,580.24

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Solution

The fourth proportional to 35,494.32, 48,981.38 and 19,580.24 is: 27,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,494.32 : 48,981.38 = 19,580.24 : x
  2. Step 2: Convert to fraction form
    35,494.32/48,981.38 = 19,580.24/x
  3. Step 3: Cross multiply
    35,494.32x = 48,981.38 × 19,580.24
  4. Step 4: Simplify right side
    35,494.32x = 959,067,175.93
  5. Step 5: Solve for x
    x = 959,067,175.93/35,494.32
  6. Step 6: Final answer
    x = 27,020.30

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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.