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Finding the Fourth Proportional to 61,933.77, 85,468.77 and 33,639.66

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Solution

The fourth proportional to 61,933.77, 85,468.77 and 33,639.66 is: 46,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,933.77 : 85,468.77 = 33,639.66 : x
  2. Step 2: Convert to fraction form
    61,933.77/85,468.77 = 33,639.66/x
  3. Step 3: Cross multiply
    61,933.77x = 85,468.77 × 33,639.66
  4. Step 4: Simplify right side
    61,933.77x = 2,875,140,363.42
  5. Step 5: Solve for x
    x = 2,875,140,363.42/61,933.77
  6. Step 6: Final answer
    x = 46,422.82

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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.