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Finding the Fourth Proportional to 61,982.04, 85,534.58 and 33,687.53

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Solution

The fourth proportional to 61,982.04, 85,534.58 and 33,687.53 is: 46,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.04 : 85,534.58 = 33,687.53 : x
  2. Step 2: Convert to fraction form
    61,982.04/85,534.58 = 33,687.53/x
  3. Step 3: Cross multiply
    61,982.04x = 85,534.58 × 33,687.53
  4. Step 4: Simplify right side
    61,982.04x = 2,881,448,473.84
  5. Step 5: Solve for x
    x = 2,881,448,473.84/61,982.04
  6. Step 6: Final answer
    x = 46,488.44

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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.