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Finding the Fourth Proportional to 61,957.31, 85,501.98 and 33,662.79

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Solution

The fourth proportional to 61,957.31, 85,501.98 and 33,662.79 is: 46,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.31 : 85,501.98 = 33,662.79 : x
  2. Step 2: Convert to fraction form
    61,957.31/85,501.98 = 33,662.79/x
  3. Step 3: Cross multiply
    61,957.31x = 85,501.98 × 33,662.79
  4. Step 4: Simplify right side
    61,957.31x = 2,878,235,197.32
  5. Step 5: Solve for x
    x = 2,878,235,197.32/61,957.31
  6. Step 6: Final answer
    x = 46,455.14

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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.