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Finding the Fourth Proportional to 64,682.38, 97,008.99 and 17,938.90

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Solution

The fourth proportional to 64,682.38, 97,008.99 and 17,938.90 is: 26,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,682.38 : 97,008.99 = 17,938.90 : x
  2. Step 2: Convert to fraction form
    64,682.38/97,008.99 = 17,938.90/x
  3. Step 3: Cross multiply
    64,682.38x = 97,008.99 × 17,938.90
  4. Step 4: Simplify right side
    64,682.38x = 1,740,234,570.71
  5. Step 5: Solve for x
    x = 1,740,234,570.71/64,682.38
  6. Step 6: Final answer
    x = 26,904.31

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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.