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Finding the Fourth Proportional to 53,879.96, 74,361.13 and 32,656.52

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Solution

The fourth proportional to 53,879.96, 74,361.13 and 32,656.52 is: 45,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879.96 : 74,361.13 = 32,656.52 : x
  2. Step 2: Convert to fraction form
    53,879.96/74,361.13 = 32,656.52/x
  3. Step 3: Cross multiply
    53,879.96x = 74,361.13 × 32,656.52
  4. Step 4: Simplify right side
    53,879.96x = 2,428,375,729.07
  5. Step 5: Solve for x
    x = 2,428,375,729.07/53,879.96
  6. Step 6: Final answer
    x = 45,070.11

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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.