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Finding the Fourth Proportional to 64,566.60, 89,110.26 and 36,272.28

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Solution

The fourth proportional to 64,566.60, 89,110.26 and 36,272.28 is: 50,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,566.60 : 89,110.26 = 36,272.28 : x
  2. Step 2: Convert to fraction form
    64,566.60/89,110.26 = 36,272.28/x
  3. Step 3: Cross multiply
    64,566.60x = 89,110.26 × 36,272.28
  4. Step 4: Simplify right side
    64,566.60x = 3,232,232,301.59
  5. Step 5: Solve for x
    x = 3,232,232,301.59/64,566.60
  6. Step 6: Final answer
    x = 50,060.44

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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.