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Finding the Fourth Proportional to 26,804.88, 40,226.76 and 15,140.88

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Solution

The fourth proportional to 26,804.88, 40,226.76 and 15,140.88 is: 22,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,804.88 : 40,226.76 = 15,140.88 : x
  2. Step 2: Convert to fraction form
    26,804.88/40,226.76 = 15,140.88/x
  3. Step 3: Cross multiply
    26,804.88x = 40,226.76 × 15,140.88
  4. Step 4: Simplify right side
    26,804.88x = 609,068,545.95
  5. Step 5: Solve for x
    x = 609,068,545.95/26,804.88
  6. Step 6: Final answer
    x = 22,722.30

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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.