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Finding the Fourth Proportional to 64,477.26, 88,978.62 and 36,182.94

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Solution

The fourth proportional to 64,477.26, 88,978.62 and 36,182.94 is: 49,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,477.26 : 88,978.62 = 36,182.94 : x
  2. Step 2: Convert to fraction form
    64,477.26/88,978.62 = 36,182.94/x
  3. Step 3: Cross multiply
    64,477.26x = 88,978.62 × 36,182.94
  4. Step 4: Simplify right side
    64,477.26x = 3,219,508,068.74
  5. Step 5: Solve for x
    x = 3,219,508,068.74/64,477.26
  6. Step 6: Final answer
    x = 49,932.46

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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.