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Finding the Fourth Proportional to 60,670.96, 90,944.80 and 23,221.44

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Solution

The fourth proportional to 60,670.96, 90,944.80 and 23,221.44 is: 34,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,670.96 : 90,944.80 = 23,221.44 : x
  2. Step 2: Convert to fraction form
    60,670.96/90,944.80 = 23,221.44/x
  3. Step 3: Cross multiply
    60,670.96x = 90,944.80 × 23,221.44
  4. Step 4: Simplify right side
    60,670.96x = 2,111,869,216.51
  5. Step 5: Solve for x
    x = 2,111,869,216.51/60,670.96
  6. Step 6: Final answer
    x = 34,808.57

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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.