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Finding the Fourth Proportional to 61,827.30, 93,204.30 and 57,707.64

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Solution

The fourth proportional to 61,827.30, 93,204.30 and 57,707.64 is: 86,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,827.30 : 93,204.30 = 57,707.64 : x
  2. Step 2: Convert to fraction form
    61,827.30/93,204.30 = 57,707.64/x
  3. Step 3: Cross multiply
    61,827.30x = 93,204.30 × 57,707.64
  4. Step 4: Simplify right side
    61,827.30x = 5,378,600,190.85
  5. Step 5: Solve for x
    x = 5,378,600,190.85/61,827.30
  6. Step 6: Final answer
    x = 86,993.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.