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Finding the Fourth Proportional to 61,281.94, 84,565.83 and 34,425.58

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Solution

The fourth proportional to 61,281.94, 84,565.83 and 34,425.58 is: 47,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,281.94 : 84,565.83 = 34,425.58 : x
  2. Step 2: Convert to fraction form
    61,281.94/84,565.83 = 34,425.58/x
  3. Step 3: Cross multiply
    61,281.94x = 84,565.83 × 34,425.58
  4. Step 4: Simplify right side
    61,281.94x = 2,911,227,745.93
  5. Step 5: Solve for x
    x = 2,911,227,745.93/61,281.94
  6. Step 6: Final answer
    x = 47,505.48

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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.