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Finding the Fourth Proportional to 26,937.60, 40,363.20 and 17,059.20

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Solution

The fourth proportional to 26,937.60, 40,363.20 and 17,059.20 is: 25,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.60 : 40,363.20 = 17,059.20 : x
  2. Step 2: Convert to fraction form
    26,937.60/40,363.20 = 17,059.20/x
  3. Step 3: Cross multiply
    26,937.60x = 40,363.20 × 17,059.20
  4. Step 4: Simplify right side
    26,937.60x = 688,563,901.44
  5. Step 5: Solve for x
    x = 688,563,901.44/26,937.60
  6. Step 6: Final answer
    x = 25,561.44

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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.