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Finding the Fourth Proportional to 64,392.77, 88,895.41 and 50,020.40

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Solution

The fourth proportional to 64,392.77, 88,895.41 and 50,020.40 is: 69,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,392.77 : 88,895.41 = 50,020.40 : x
  2. Step 2: Convert to fraction form
    64,392.77/88,895.41 = 50,020.40/x
  3. Step 3: Cross multiply
    64,392.77x = 88,895.41 × 50,020.40
  4. Step 4: Simplify right side
    64,392.77x = 4,446,584,063.55
  5. Step 5: Solve for x
    x = 4,446,584,063.55/64,392.77
  6. Step 6: Final answer
    x = 69,054.09

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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.