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Finding the Fourth Proportional to 26,115.76, 36,026.40 and 16,674.40

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Solution

The fourth proportional to 26,115.76, 36,026.40 and 16,674.40 is: 23,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.76 : 36,026.40 = 16,674.40 : x
  2. Step 2: Convert to fraction form
    26,115.76/36,026.40 = 16,674.40/x
  3. Step 3: Cross multiply
    26,115.76x = 36,026.40 × 16,674.40
  4. Step 4: Simplify right side
    26,115.76x = 600,718,604.16
  5. Step 5: Solve for x
    x = 600,718,604.16/26,115.76
  6. Step 6: Final answer
    x = 23,002.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.