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Finding the Fourth Proportional to 61,659.76, 85,095 and 34,804.66

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Solution

The fourth proportional to 61,659.76, 85,095 and 34,804.66 is: 48,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,659.76 : 85,095 = 34,804.66 : x
  2. Step 2: Convert to fraction form
    61,659.76/85,095 = 34,804.66/x
  3. Step 3: Cross multiply
    61,659.76x = 85,095 × 34,804.66
  4. Step 4: Simplify right side
    61,659.76x = 2,961,702,542.70
  5. Step 5: Solve for x
    x = 2,961,702,542.70/61,659.76
  6. Step 6: Final answer
    x = 48,032.99

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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.