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Finding the Fourth Proportional to 5,603.77, 8,406.87 and 3,526.53

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Solution

The fourth proportional to 5,603.77, 8,406.87 and 3,526.53 is: 5,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.77 : 8,406.87 = 3,526.53 : x
  2. Step 2: Convert to fraction form
    5,603.77/8,406.87 = 3,526.53/x
  3. Step 3: Cross multiply
    5,603.77x = 8,406.87 × 3,526.53
  4. Step 4: Simplify right side
    5,603.77x = 29,647,079.26
  5. Step 5: Solve for x
    x = 29,647,079.26/5,603.77
  6. Step 6: Final answer
    x = 5,290.56

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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.