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Finding the Fourth Proportional to 35,391.88, 48,839.76 and 19,476.32

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Solution

The fourth proportional to 35,391.88, 48,839.76 and 19,476.32 is: 26,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.88 : 48,839.76 = 19,476.32 : x
  2. Step 2: Convert to fraction form
    35,391.88/48,839.76 = 19,476.32/x
  3. Step 3: Cross multiply
    35,391.88x = 48,839.76 × 19,476.32
  4. Step 4: Simplify right side
    35,391.88x = 951,218,794.48
  5. Step 5: Solve for x
    x = 951,218,794.48/35,391.88
  6. Step 6: Final answer
    x = 26,876.75

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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.