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Finding the Fourth Proportional to 43,697.51, 65,486.46 and 33,015.09

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Solution

The fourth proportional to 43,697.51, 65,486.46 and 33,015.09 is: 49,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,697.51 : 65,486.46 = 33,015.09 : x
  2. Step 2: Convert to fraction form
    43,697.51/65,486.46 = 33,015.09/x
  3. Step 3: Cross multiply
    43,697.51x = 65,486.46 × 33,015.09
  4. Step 4: Simplify right side
    43,697.51x = 2,162,041,248.91
  5. Step 5: Solve for x
    x = 2,162,041,248.91/43,697.51
  6. Step 6: Final answer
    x = 49,477.44

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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.