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Finding the Fourth Proportional to 8,603.87, 11,874.55 and 5,020.01

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Solution

The fourth proportional to 8,603.87, 11,874.55 and 5,020.01 is: 6,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.87 : 11,874.55 = 5,020.01 : x
  2. Step 2: Convert to fraction form
    8,603.87/11,874.55 = 5,020.01/x
  3. Step 3: Cross multiply
    8,603.87x = 11,874.55 × 5,020.01
  4. Step 4: Simplify right side
    8,603.87x = 59,610,287.82
  5. Step 5: Solve for x
    x = 59,610,287.82/8,603.87
  6. Step 6: Final answer
    x = 6,928.32

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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.