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Finding the Fourth Proportional to 61,653.89, 85,082.58 and 33,359.58

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Solution

The fourth proportional to 61,653.89, 85,082.58 and 33,359.58 is: 46,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,653.89 : 85,082.58 = 33,359.58 : x
  2. Step 2: Convert to fraction form
    61,653.89/85,082.58 = 33,359.58/x
  3. Step 3: Cross multiply
    61,653.89x = 85,082.58 × 33,359.58
  4. Step 4: Simplify right side
    61,653.89x = 2,838,319,134.12
  5. Step 5: Solve for x
    x = 2,838,319,134.12/61,653.89
  6. Step 6: Final answer
    x = 46,036.34

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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.