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Finding the Fourth Proportional to 64,360.63, 88,817.61 and 36,066.52

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Solution

The fourth proportional to 64,360.63, 88,817.61 and 36,066.52 is: 49,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,360.63 : 88,817.61 = 36,066.52 : x
  2. Step 2: Convert to fraction form
    64,360.63/88,817.61 = 36,066.52/x
  3. Step 3: Cross multiply
    64,360.63x = 88,817.61 × 36,066.52
  4. Step 4: Simplify right side
    64,360.63x = 3,203,342,107.42
  5. Step 5: Solve for x
    x = 3,203,342,107.42/64,360.63
  6. Step 6: Final answer
    x = 49,771.76

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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.