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Finding the Fourth Proportional to 61,646.64, 85,072.56 and 33,352.56

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Solution

The fourth proportional to 61,646.64, 85,072.56 and 33,352.56 is: 46,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,646.64 : 85,072.56 = 33,352.56 : x
  2. Step 2: Convert to fraction form
    61,646.64/85,072.56 = 33,352.56/x
  3. Step 3: Cross multiply
    61,646.64x = 85,072.56 × 33,352.56
  4. Step 4: Simplify right side
    61,646.64x = 2,837,387,661.75
  5. Step 5: Solve for x
    x = 2,837,387,661.75/61,646.64
  6. Step 6: Final answer
    x = 46,026.64

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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.