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Finding the Fourth Proportional to 75,735.80, 104,523.18 and 45,530.96

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Solution

The fourth proportional to 75,735.80, 104,523.18 and 45,530.96 is: 62,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,735.80 : 104,523.18 = 45,530.96 : x
  2. Step 2: Convert to fraction form
    75,735.80/104,523.18 = 45,530.96/x
  3. Step 3: Cross multiply
    75,735.80x = 104,523.18 × 45,530.96
  4. Step 4: Simplify right side
    75,735.80x = 4,759,040,727.65
  5. Step 5: Solve for x
    x = 4,759,040,727.65/75,735.80
  6. Step 6: Final answer
    x = 62,837.40

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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.