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Finding the Fourth Proportional to 56,489.26, 77,922.80 and 35,231.62

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Solution

The fourth proportional to 56,489.26, 77,922.80 and 35,231.62 is: 48,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.26 : 77,922.80 = 35,231.62 : x
  2. Step 2: Convert to fraction form
    56,489.26/77,922.80 = 35,231.62/x
  3. Step 3: Cross multiply
    56,489.26x = 77,922.80 × 35,231.62
  4. Step 4: Simplify right side
    56,489.26x = 2,745,346,478.94
  5. Step 5: Solve for x
    x = 2,745,346,478.94/56,489.26
  6. Step 6: Final answer
    x = 48,599.44

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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.