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Finding the Fourth Proportional to 64,056.96, 96,072.12 and 17,298.90

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Solution

The fourth proportional to 64,056.96, 96,072.12 and 17,298.90 is: 25,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,056.96 : 96,072.12 = 17,298.90 : x
  2. Step 2: Convert to fraction form
    64,056.96/96,072.12 = 17,298.90/x
  3. Step 3: Cross multiply
    64,056.96x = 96,072.12 × 17,298.90
  4. Step 4: Simplify right side
    64,056.96x = 1,661,941,996.67
  5. Step 5: Solve for x
    x = 1,661,941,996.67/64,056.96
  6. Step 6: Final answer
    x = 25,944.75

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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.