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Finding the Fourth Proportional to 8,603.43, 11,874.41 and 5,018.81

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Solution

The fourth proportional to 8,603.43, 11,874.41 and 5,018.81 is: 6,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.43 : 11,874.41 = 5,018.81 : x
  2. Step 2: Convert to fraction form
    8,603.43/11,874.41 = 5,018.81/x
  3. Step 3: Cross multiply
    8,603.43x = 11,874.41 × 5,018.81
  4. Step 4: Simplify right side
    8,603.43x = 59,595,323.19
  5. Step 5: Solve for x
    x = 59,595,323.19/8,603.43
  6. Step 6: Final answer
    x = 6,926.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.