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Finding the Fourth Proportional to 35,391.69, 48,839.47 and 19,476.13

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Solution

The fourth proportional to 35,391.69, 48,839.47 and 19,476.13 is: 26,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.69 : 48,839.47 = 19,476.13 : x
  2. Step 2: Convert to fraction form
    35,391.69/48,839.47 = 19,476.13/x
  3. Step 3: Cross multiply
    35,391.69x = 48,839.47 × 19,476.13
  4. Step 4: Simplify right side
    35,391.69x = 951,203,866.85
  5. Step 5: Solve for x
    x = 951,203,866.85/35,391.69
  6. Step 6: Final answer
    x = 26,876.47

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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.