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Finding the Fourth Proportional to 5,563.85, 8,347.12 and 1,668.22

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Solution

The fourth proportional to 5,563.85, 8,347.12 and 1,668.22 is: 2,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.85 : 8,347.12 = 1,668.22 : x
  2. Step 2: Convert to fraction form
    5,563.85/8,347.12 = 1,668.22/x
  3. Step 3: Cross multiply
    5,563.85x = 8,347.12 × 1,668.22
  4. Step 4: Simplify right side
    5,563.85x = 13,924,832.53
  5. Step 5: Solve for x
    x = 13,924,832.53/5,563.85
  6. Step 6: Final answer
    x = 2,502.74

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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.