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Finding the Fourth Proportional to 61,983.04, 85,535.96 and 33,688.53

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Solution

The fourth proportional to 61,983.04, 85,535.96 and 33,688.53 is: 46,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,983.04 : 85,535.96 = 33,688.53 : x
  2. Step 2: Convert to fraction form
    61,983.04/85,535.96 = 33,688.53/x
  3. Step 3: Cross multiply
    61,983.04x = 85,535.96 × 33,688.53
  4. Step 4: Simplify right side
    61,983.04x = 2,881,580,754.54
  5. Step 5: Solve for x
    x = 2,881,580,754.54/61,983.04
  6. Step 6: Final answer
    x = 46,489.83

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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.