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Finding the Fourth Proportional to 61,664.60, 85,097.36 and 33,370.28

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Solution

The fourth proportional to 61,664.60, 85,097.36 and 33,370.28 is: 46,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.60 : 85,097.36 = 33,370.28 : x
  2. Step 2: Convert to fraction form
    61,664.60/85,097.36 = 33,370.28/x
  3. Step 3: Cross multiply
    61,664.60x = 85,097.36 × 33,370.28
  4. Step 4: Simplify right side
    61,664.60x = 2,839,722,730.46
  5. Step 5: Solve for x
    x = 2,839,722,730.46/61,664.60
  6. Step 6: Final answer
    x = 46,051.10

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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.