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Finding the Fourth Proportional to 64,412.64, 96,607.68 and 17,028.18

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Solution

The fourth proportional to 64,412.64, 96,607.68 and 17,028.18 is: 25,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,412.64 : 96,607.68 = 17,028.18 : x
  2. Step 2: Convert to fraction form
    64,412.64/96,607.68 = 17,028.18/x
  3. Step 3: Cross multiply
    64,412.64x = 96,607.68 × 17,028.18
  4. Step 4: Simplify right side
    64,412.64x = 1,645,052,964.42
  5. Step 5: Solve for x
    x = 1,645,052,964.42/64,412.64
  6. Step 6: Final answer
    x = 25,539.29

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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.