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Finding the Fourth Proportional to 66,866.64, 92,272.32 and 36,652.04

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Solution

The fourth proportional to 66,866.64, 92,272.32 and 36,652.04 is: 50,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,866.64 : 92,272.32 = 36,652.04 : x
  2. Step 2: Convert to fraction form
    66,866.64/92,272.32 = 36,652.04/x
  3. Step 3: Cross multiply
    66,866.64x = 92,272.32 × 36,652.04
  4. Step 4: Simplify right side
    66,866.64x = 3,381,968,763.53
  5. Step 5: Solve for x
    x = 3,381,968,763.53/66,866.64
  6. Step 6: Final answer
    x = 50,577.82

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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.