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Finding the Fourth Proportional to 26,604.76, 39,914.46 and 7,885.72

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Solution

The fourth proportional to 26,604.76, 39,914.46 and 7,885.72 is: 11,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,604.76 : 39,914.46 = 7,885.72 : x
  2. Step 2: Convert to fraction form
    26,604.76/39,914.46 = 7,885.72/x
  3. Step 3: Cross multiply
    26,604.76x = 39,914.46 × 7,885.72
  4. Step 4: Simplify right side
    26,604.76x = 314,754,255.51
  5. Step 5: Solve for x
    x = 314,754,255.51/26,604.76
  6. Step 6: Final answer
    x = 11,830.75

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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.