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Finding the Fourth Proportional to 35,686.90, 53,530.35 and 33,499.90

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Solution

The fourth proportional to 35,686.90, 53,530.35 and 33,499.90 is: 50,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.90 : 53,530.35 = 33,499.90 : x
  2. Step 2: Convert to fraction form
    35,686.90/53,530.35 = 33,499.90/x
  3. Step 3: Cross multiply
    35,686.90x = 53,530.35 × 33,499.90
  4. Step 4: Simplify right side
    35,686.90x = 1,793,261,371.97
  5. Step 5: Solve for x
    x = 1,793,261,371.97/35,686.90
  6. Step 6: Final answer
    x = 50,249.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.