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Finding the Fourth Proportional to 5,668.47, 7,826.15 and 3,652.79

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Solution

The fourth proportional to 5,668.47, 7,826.15 and 3,652.79 is: 5,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.47 : 7,826.15 = 3,652.79 : x
  2. Step 2: Convert to fraction form
    5,668.47/7,826.15 = 3,652.79/x
  3. Step 3: Cross multiply
    5,668.47x = 7,826.15 × 3,652.79
  4. Step 4: Simplify right side
    5,668.47x = 28,587,282.46
  5. Step 5: Solve for x
    x = 28,587,282.46/5,668.47
  6. Step 6: Final answer
    x = 5,043.21

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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.