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Finding the Fourth Proportional to 56,130.44, 84,122.89 and 22,811.76

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Solution

The fourth proportional to 56,130.44, 84,122.89 and 22,811.76 is: 34,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130.44 : 84,122.89 = 22,811.76 : x
  2. Step 2: Convert to fraction form
    56,130.44/84,122.89 = 22,811.76/x
  3. Step 3: Cross multiply
    56,130.44x = 84,122.89 × 22,811.76
  4. Step 4: Simplify right side
    56,130.44x = 1,918,991,120.16
  5. Step 5: Solve for x
    x = 1,918,991,120.16/56,130.44
  6. Step 6: Final answer
    x = 34,188.07

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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.