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Finding the Fourth Proportional to 64,551.52, 89,071.68 and 36,255.52

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Solution

The fourth proportional to 64,551.52, 89,071.68 and 36,255.52 is: 50,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,551.52 : 89,071.68 = 36,255.52 : x
  2. Step 2: Convert to fraction form
    64,551.52/89,071.68 = 36,255.52/x
  3. Step 3: Cross multiply
    64,551.52x = 89,071.68 × 36,255.52
  4. Step 4: Simplify right side
    64,551.52x = 3,229,340,075.67
  5. Step 5: Solve for x
    x = 3,229,340,075.67/64,551.52
  6. Step 6: Final answer
    x = 50,027.33

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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.