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Finding the Fourth Proportional to 61,615.93, 85,029.81 and 33,321.62

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Solution

The fourth proportional to 61,615.93, 85,029.81 and 33,321.62 is: 45,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,615.93 : 85,029.81 = 33,321.62 : x
  2. Step 2: Convert to fraction form
    61,615.93/85,029.81 = 33,321.62/x
  3. Step 3: Cross multiply
    61,615.93x = 85,029.81 × 33,321.62
  4. Step 4: Simplify right side
    61,615.93x = 2,833,331,017.49
  5. Step 5: Solve for x
    x = 2,833,331,017.49/61,615.93
  6. Step 6: Final answer
    x = 45,983.74

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1.5x scale

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.