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Finding the Fourth Proportional to 61,653.92, 85,082.28 and 33,359.60

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Solution

The fourth proportional to 61,653.92, 85,082.28 and 33,359.60 is: 46,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,653.92 : 85,082.28 = 33,359.60 : x
  2. Step 2: Convert to fraction form
    61,653.92/85,082.28 = 33,359.60/x
  3. Step 3: Cross multiply
    61,653.92x = 85,082.28 × 33,359.60
  4. Step 4: Simplify right side
    61,653.92x = 2,838,310,827.89
  5. Step 5: Solve for x
    x = 2,838,310,827.89/61,653.92
  6. Step 6: Final answer
    x = 46,036.18

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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.