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Finding the Fourth Proportional to 61,807.86, 85,294.08 and 33,513.48

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Solution

The fourth proportional to 61,807.86, 85,294.08 and 33,513.48 is: 46,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,807.86 : 85,294.08 = 33,513.48 : x
  2. Step 2: Convert to fraction form
    61,807.86/85,294.08 = 33,513.48/x
  3. Step 3: Cross multiply
    61,807.86x = 85,294.08 × 33,513.48
  4. Step 4: Simplify right side
    61,807.86x = 2,858,501,444.20
  5. Step 5: Solve for x
    x = 2,858,501,444.20/61,807.86
  6. Step 6: Final answer
    x = 46,248.19

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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.