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Finding the Fourth Proportional to 66,497.82, 91,702.98 and 44,743.11

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Solution

The fourth proportional to 66,497.82, 91,702.98 and 44,743.11 is: 61,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497.82 : 91,702.98 = 44,743.11 : x
  2. Step 2: Convert to fraction form
    66,497.82/91,702.98 = 44,743.11/x
  3. Step 3: Cross multiply
    66,497.82x = 91,702.98 × 44,743.11
  4. Step 4: Simplify right side
    66,497.82x = 4,103,076,521.47
  5. Step 5: Solve for x
    x = 4,103,076,521.47/66,497.82
  6. Step 6: Final answer
    x = 61,702.42

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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.