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Finding the Fourth Proportional to 66,917.64, 92,347.62 and 36,701.16

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Solution

The fourth proportional to 66,917.64, 92,347.62 and 36,701.16 is: 50,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,917.64 : 92,347.62 = 36,701.16 : x
  2. Step 2: Convert to fraction form
    66,917.64/92,347.62 = 36,701.16/x
  3. Step 3: Cross multiply
    66,917.64x = 92,347.62 × 36,701.16
  4. Step 4: Simplify right side
    66,917.64x = 3,389,264,777.24
  5. Step 5: Solve for x
    x = 3,389,264,777.24/66,917.64
  6. Step 6: Final answer
    x = 50,648.30

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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.