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Finding the Fourth Proportional to 61,671.61, 85,106.67 and 33,377.32

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Solution

The fourth proportional to 61,671.61, 85,106.67 and 33,377.32 is: 46,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,671.61 : 85,106.67 = 33,377.32 : x
  2. Step 2: Convert to fraction form
    61,671.61/85,106.67 = 33,377.32/x
  3. Step 3: Cross multiply
    61,671.61x = 85,106.67 × 33,377.32
  4. Step 4: Simplify right side
    61,671.61x = 2,840,632,133.19
  5. Step 5: Solve for x
    x = 2,840,632,133.19/61,671.61
  6. Step 6: Final answer
    x = 46,060.62

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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.