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Finding the Fourth Proportional to 35,907.50, 49,553.21 and 19,993.02

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Solution

The fourth proportional to 35,907.50, 49,553.21 and 19,993.02 is: 27,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.50 : 49,553.21 = 19,993.02 : x
  2. Step 2: Convert to fraction form
    35,907.50/49,553.21 = 19,993.02/x
  3. Step 3: Cross multiply
    35,907.50x = 49,553.21 × 19,993.02
  4. Step 4: Simplify right side
    35,907.50x = 990,718,368.58
  5. Step 5: Solve for x
    x = 990,718,368.58/35,907.50
  6. Step 6: Final answer
    x = 27,590.85

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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.