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Finding the Fourth Proportional to 60,405.80, 90,588.15 and 22,956.86

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Solution

The fourth proportional to 60,405.80, 90,588.15 and 22,956.86 is: 34,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,405.80 : 90,588.15 = 22,956.86 : x
  2. Step 2: Convert to fraction form
    60,405.80/90,588.15 = 22,956.86/x
  3. Step 3: Cross multiply
    60,405.80x = 90,588.15 × 22,956.86
  4. Step 4: Simplify right side
    60,405.80x = 2,079,619,477.21
  5. Step 5: Solve for x
    x = 2,079,619,477.21/60,405.80
  6. Step 6: Final answer
    x = 34,427.48

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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.