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Finding the Fourth Proportional to 61,984.77, 85,539.54 and 33,690.52

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Solution

The fourth proportional to 61,984.77, 85,539.54 and 33,690.52 is: 46,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,984.77 : 85,539.54 = 33,690.52 : x
  2. Step 2: Convert to fraction form
    61,984.77/85,539.54 = 33,690.52/x
  3. Step 3: Cross multiply
    61,984.77x = 85,539.54 × 33,690.52
  4. Step 4: Simplify right side
    61,984.77x = 2,881,871,583.16
  5. Step 5: Solve for x
    x = 2,881,871,583.16/61,984.77
  6. Step 6: Final answer
    x = 46,493.22

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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.