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Finding the Fourth Proportional to 5,603.15, 8,403.31 and 3,352.67

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Solution

The fourth proportional to 5,603.15, 8,403.31 and 3,352.67 is: 5,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.15 : 8,403.31 = 3,352.67 : x
  2. Step 2: Convert to fraction form
    5,603.15/8,403.31 = 3,352.67/x
  3. Step 3: Cross multiply
    5,603.15x = 8,403.31 × 3,352.67
  4. Step 4: Simplify right side
    5,603.15x = 28,173,525.34
  5. Step 5: Solve for x
    x = 28,173,525.34/5,603.15
  6. Step 6: Final answer
    x = 5,028.16

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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.