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Finding the Fourth Proportional to 61,846.98, 92,694.44 and 28,520.78

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Solution

The fourth proportional to 61,846.98, 92,694.44 and 28,520.78 is: 42,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,846.98 : 92,694.44 = 28,520.78 : x
  2. Step 2: Convert to fraction form
    61,846.98/92,694.44 = 28,520.78/x
  3. Step 3: Cross multiply
    61,846.98x = 92,694.44 × 28,520.78
  4. Step 4: Simplify right side
    61,846.98x = 2,643,717,730.46
  5. Step 5: Solve for x
    x = 2,643,717,730.46/61,846.98
  6. Step 6: Final answer
    x = 42,746.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.