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Finding the Fourth Proportional to 38,997.52, 58,495.98 and 9,415.24

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Solution

The fourth proportional to 38,997.52, 58,495.98 and 9,415.24 is: 14,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997.52 : 58,495.98 = 9,415.24 : x
  2. Step 2: Convert to fraction form
    38,997.52/58,495.98 = 9,415.24/x
  3. Step 3: Cross multiply
    38,997.52x = 58,495.98 × 9,415.24
  4. Step 4: Simplify right side
    38,997.52x = 550,753,690.74
  5. Step 5: Solve for x
    x = 550,753,690.74/38,997.52
  6. Step 6: Final answer
    x = 14,122.79

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1.5x scale

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.