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Finding the Fourth Proportional to 26,676.90, 40,011.14 and 16,785.90

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Solution

The fourth proportional to 26,676.90, 40,011.14 and 16,785.90 is: 25,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.90 : 40,011.14 = 16,785.90 : x
  2. Step 2: Convert to fraction form
    26,676.90/40,011.14 = 16,785.90/x
  3. Step 3: Cross multiply
    26,676.90x = 40,011.14 × 16,785.90
  4. Step 4: Simplify right side
    26,676.90x = 671,622,994.93
  5. Step 5: Solve for x
    x = 671,622,994.93/26,676.90
  6. Step 6: Final answer
    x = 25,176.20

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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.