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Finding the Fourth Proportional to 66,702.58, 92,046.12 and 36,482.02

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Solution

The fourth proportional to 66,702.58, 92,046.12 and 36,482.02 is: 50,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,702.58 : 92,046.12 = 36,482.02 : x
  2. Step 2: Convert to fraction form
    66,702.58/92,046.12 = 36,482.02/x
  3. Step 3: Cross multiply
    66,702.58x = 92,046.12 × 36,482.02
  4. Step 4: Simplify right side
    66,702.58x = 3,358,028,390.76
  5. Step 5: Solve for x
    x = 3,358,028,390.76/66,702.58
  6. Step 6: Final answer
    x = 50,343.31

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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.