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Finding the Fourth Proportional to 64,755.10, 97,125.63 and 17,374.90

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Solution

The fourth proportional to 64,755.10, 97,125.63 and 17,374.90 is: 26,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.10 : 97,125.63 = 17,374.90 : x
  2. Step 2: Convert to fraction form
    64,755.10/97,125.63 = 17,374.90/x
  3. Step 3: Cross multiply
    64,755.10x = 97,125.63 × 17,374.90
  4. Step 4: Simplify right side
    64,755.10x = 1,687,548,108.69
  5. Step 5: Solve for x
    x = 1,687,548,108.69/64,755.10
  6. Step 6: Final answer
    x = 26,060.47

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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.