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Finding the Fourth Proportional to 17,854.79, 26,775.70 and 6,755.76

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Solution

The fourth proportional to 17,854.79, 26,775.70 and 6,755.76 is: 10,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.79 : 26,775.70 = 6,755.76 : x
  2. Step 2: Convert to fraction form
    17,854.79/26,775.70 = 6,755.76/x
  3. Step 3: Cross multiply
    17,854.79x = 26,775.70 × 6,755.76
  4. Step 4: Simplify right side
    17,854.79x = 180,890,186.14
  5. Step 5: Solve for x
    x = 180,890,186.14/17,854.79
  6. Step 6: Final answer
    x = 10,131.19

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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.