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Finding the Fourth Proportional to 61,628.58, 92,494.71 and 57,740.58

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Solution

The fourth proportional to 61,628.58, 92,494.71 and 57,740.58 is: 86,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.58 : 92,494.71 = 57,740.58 : x
  2. Step 2: Convert to fraction form
    61,628.58/92,494.71 = 57,740.58/x
  3. Step 3: Cross multiply
    61,628.58x = 92,494.71 × 57,740.58
  4. Step 4: Simplify right side
    61,628.58x = 5,340,698,202.33
  5. Step 5: Solve for x
    x = 5,340,698,202.33/61,628.58
  6. Step 6: Final answer
    x = 86,659.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.