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Finding the Fourth Proportional to 5,703.96, 8,554.32 and 3,620.82

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Solution

The fourth proportional to 5,703.96, 8,554.32 and 3,620.82 is: 5,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.96 : 8,554.32 = 3,620.82 : x
  2. Step 2: Convert to fraction form
    5,703.96/8,554.32 = 3,620.82/x
  3. Step 3: Cross multiply
    5,703.96x = 8,554.32 × 3,620.82
  4. Step 4: Simplify right side
    5,703.96x = 30,973,652.94
  5. Step 5: Solve for x
    x = 30,973,652.94/5,703.96
  6. Step 6: Final answer
    x = 5,430.20

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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.