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Finding the Fourth Proportional to 64,652.73, 96,980.72 and 17,906.01

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Solution

The fourth proportional to 64,652.73, 96,980.72 and 17,906.01 is: 26,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,652.73 : 96,980.72 = 17,906.01 : x
  2. Step 2: Convert to fraction form
    64,652.73/96,980.72 = 17,906.01/x
  3. Step 3: Cross multiply
    64,652.73x = 96,980.72 × 17,906.01
  4. Step 4: Simplify right side
    64,652.73x = 1,736,537,742.13
  5. Step 5: Solve for x
    x = 1,736,537,742.13/64,652.73
  6. Step 6: Final answer
    x = 26,859.47

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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.