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Finding the Fourth Proportional to 64,341.66, 88,791.36 and 36,047.52

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Solution

The fourth proportional to 64,341.66, 88,791.36 and 36,047.52 is: 49,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,341.66 : 88,791.36 = 36,047.52 : x
  2. Step 2: Convert to fraction form
    64,341.66/88,791.36 = 36,047.52/x
  3. Step 3: Cross multiply
    64,341.66x = 88,791.36 × 36,047.52
  4. Step 4: Simplify right side
    64,341.66x = 3,200,708,325.43
  5. Step 5: Solve for x
    x = 3,200,708,325.43/64,341.66
  6. Step 6: Final answer
    x = 49,745.50

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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.