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Finding the Fourth Proportional to 35,859.29, 49,485.11 and 19,943.39

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Solution

The fourth proportional to 35,859.29, 49,485.11 and 19,943.39 is: 27,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.29 : 49,485.11 = 19,943.39 : x
  2. Step 2: Convert to fraction form
    35,859.29/49,485.11 = 19,943.39/x
  3. Step 3: Cross multiply
    35,859.29x = 49,485.11 × 19,943.39
  4. Step 4: Simplify right side
    35,859.29x = 986,900,871.92
  5. Step 5: Solve for x
    x = 986,900,871.92/35,859.29
  6. Step 6: Final answer
    x = 27,521.49

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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.