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Finding the Fourth Proportional to 61,762.60, 85,231.72 and 33,468.04

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Solution

The fourth proportional to 61,762.60, 85,231.72 and 33,468.04 is: 46,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762.60 : 85,231.72 = 33,468.04 : x
  2. Step 2: Convert to fraction form
    61,762.60/85,231.72 = 33,468.04/x
  3. Step 3: Cross multiply
    61,762.60x = 85,231.72 × 33,468.04
  4. Step 4: Simplify right side
    61,762.60x = 2,852,538,614.23
  5. Step 5: Solve for x
    x = 2,852,538,614.23/61,762.60
  6. Step 6: Final answer
    x = 46,185.53

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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.