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Finding the Fourth Proportional to 35,881.97, 49,518.48 and 19,966.08

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Solution

The fourth proportional to 35,881.97, 49,518.48 and 19,966.08 is: 27,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,881.97 : 49,518.48 = 19,966.08 : x
  2. Step 2: Convert to fraction form
    35,881.97/49,518.48 = 19,966.08/x
  3. Step 3: Cross multiply
    35,881.97x = 49,518.48 × 19,966.08
  4. Step 4: Simplify right side
    35,881.97x = 988,689,933.16
  5. Step 5: Solve for x
    x = 988,689,933.16/35,881.97
  6. Step 6: Final answer
    x = 27,553.95

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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.