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Finding the Fourth Proportional to 61,657.68, 85,087.89 and 34,801.32

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Solution

The fourth proportional to 61,657.68, 85,087.89 and 34,801.32 is: 48,025.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.68 : 85,087.89 = 34,801.32 : x
  2. Step 2: Convert to fraction form
    61,657.68/85,087.89 = 34,801.32/x
  3. Step 3: Cross multiply
    61,657.68x = 85,087.89 × 34,801.32
  4. Step 4: Simplify right side
    61,657.68x = 2,961,170,888.01
  5. Step 5: Solve for x
    x = 2,961,170,888.01/61,657.68
  6. Step 6: Final answer
    x = 48,025.99

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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.