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Finding the Fourth Proportional to 64,970.44, 89,659.47 and 35,162.44

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Solution

The fourth proportional to 64,970.44, 89,659.47 and 35,162.44 is: 48,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,970.44 : 89,659.47 = 35,162.44 : x
  2. Step 2: Convert to fraction form
    64,970.44/89,659.47 = 35,162.44/x
  3. Step 3: Cross multiply
    64,970.44x = 89,659.47 × 35,162.44
  4. Step 4: Simplify right side
    64,970.44x = 3,152,645,642.02
  5. Step 5: Solve for x
    x = 3,152,645,642.02/64,970.44
  6. Step 6: Final answer
    x = 48,524.31

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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.