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Finding the Fourth Proportional to 61,662, 85,094.17 and 33,368.30

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Solution

The fourth proportional to 61,662, 85,094.17 and 33,368.30 is: 46,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662 : 85,094.17 = 33,368.30 : x
  2. Step 2: Convert to fraction form
    61,662/85,094.17 = 33,368.30/x
  3. Step 3: Cross multiply
    61,662x = 85,094.17 × 33,368.30
  4. Step 4: Simplify right side
    61,662x = 2,839,447,283.92
  5. Step 5: Solve for x
    x = 2,839,447,283.92/61,662
  6. Step 6: Final answer
    x = 46,048.58

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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.