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Finding the Fourth Proportional to 72,997.19, 109,495.88 and 17,593.19

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Solution

The fourth proportional to 72,997.19, 109,495.88 and 17,593.19 is: 26,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,997.19 : 109,495.88 = 17,593.19 : x
  2. Step 2: Convert to fraction form
    72,997.19/109,495.88 = 17,593.19/x
  3. Step 3: Cross multiply
    72,997.19x = 109,495.88 × 17,593.19
  4. Step 4: Simplify right side
    72,997.19x = 1,926,381,821.06
  5. Step 5: Solve for x
    x = 1,926,381,821.06/72,997.19
  6. Step 6: Final answer
    x = 26,389.81

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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.