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Finding the Fourth Proportional to 64,485.66, 96,723.96 and 17,099.70

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Solution

The fourth proportional to 64,485.66, 96,723.96 and 17,099.70 is: 25,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.66 : 96,723.96 = 17,099.70 : x
  2. Step 2: Convert to fraction form
    64,485.66/96,723.96 = 17,099.70/x
  3. Step 3: Cross multiply
    64,485.66x = 96,723.96 × 17,099.70
  4. Step 4: Simplify right side
    64,485.66x = 1,653,950,698.81
  5. Step 5: Solve for x
    x = 1,653,950,698.81/64,485.66
  6. Step 6: Final answer
    x = 25,648.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.