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Finding the Fourth Proportional to 56,494.80, 84,742.20 and 23,203.80

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Solution

The fourth proportional to 56,494.80, 84,742.20 and 23,203.80 is: 34,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,494.80 : 84,742.20 = 23,203.80 : x
  2. Step 2: Convert to fraction form
    56,494.80/84,742.20 = 23,203.80/x
  3. Step 3: Cross multiply
    56,494.80x = 84,742.20 × 23,203.80
  4. Step 4: Simplify right side
    56,494.80x = 1,966,341,060.36
  5. Step 5: Solve for x
    x = 1,966,341,060.36/56,494.80
  6. Step 6: Final answer
    x = 34,805.70

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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.