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Finding the Fourth Proportional to 17,690.76, 26,536.56 and 5,840.76

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Solution

The fourth proportional to 17,690.76, 26,536.56 and 5,840.76 is: 8,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.76 : 26,536.56 = 5,840.76 : x
  2. Step 2: Convert to fraction form
    17,690.76/26,536.56 = 5,840.76/x
  3. Step 3: Cross multiply
    17,690.76x = 26,536.56 × 5,840.76
  4. Step 4: Simplify right side
    17,690.76x = 154,993,678.19
  5. Step 5: Solve for x
    x = 154,993,678.19/17,690.76
  6. Step 6: Final answer
    x = 8,761.28

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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.