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Finding the Fourth Proportional to 35,854.79, 49,474.81 and 19,936.17

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Solution

The fourth proportional to 35,854.79, 49,474.81 and 19,936.17 is: 27,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,854.79 : 49,474.81 = 19,936.17 : x
  2. Step 2: Convert to fraction form
    35,854.79/49,474.81 = 19,936.17/x
  3. Step 3: Cross multiply
    35,854.79x = 49,474.81 × 19,936.17
  4. Step 4: Simplify right side
    35,854.79x = 986,338,222.88
  5. Step 5: Solve for x
    x = 986,338,222.88/35,854.79
  6. Step 6: Final answer
    x = 27,509.25

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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.