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Finding the Fourth Proportional to 35,603.56, 49,133.46 and 19,687.72

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Solution

The fourth proportional to 35,603.56, 49,133.46 and 19,687.72 is: 27,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.56 : 49,133.46 = 19,687.72 : x
  2. Step 2: Convert to fraction form
    35,603.56/49,133.46 = 19,687.72/x
  3. Step 3: Cross multiply
    35,603.56x = 49,133.46 × 19,687.72
  4. Step 4: Simplify right side
    35,603.56x = 967,325,803.11
  5. Step 5: Solve for x
    x = 967,325,803.11/35,603.56
  6. Step 6: Final answer
    x = 27,169.36

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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.