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Finding the Fourth Proportional to 17,761.37, 26,642.01 and 16,678.76

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Solution

The fourth proportional to 17,761.37, 26,642.01 and 16,678.76 is: 25,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.37 : 26,642.01 = 16,678.76 : x
  2. Step 2: Convert to fraction form
    17,761.37/26,642.01 = 16,678.76/x
  3. Step 3: Cross multiply
    17,761.37x = 26,642.01 × 16,678.76
  4. Step 4: Simplify right side
    17,761.37x = 444,355,690.71
  5. Step 5: Solve for x
    x = 444,355,690.71/17,761.37
  6. Step 6: Final answer
    x = 25,018.10

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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.