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Finding the Fourth Proportional to 61,693.54, 85,133.64 and 34,841.50

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Solution

The fourth proportional to 61,693.54, 85,133.64 and 34,841.50 is: 48,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,693.54 : 85,133.64 = 34,841.50 : x
  2. Step 2: Convert to fraction form
    61,693.54/85,133.64 = 34,841.50/x
  3. Step 3: Cross multiply
    61,693.54x = 85,133.64 × 34,841.50
  4. Step 4: Simplify right side
    61,693.54x = 2,966,183,718.06
  5. Step 5: Solve for x
    x = 2,966,183,718.06/61,693.54
  6. Step 6: Final answer
    x = 48,079.32

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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.