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Finding the Fourth Proportional to 5,763.98, 8,650.58 and 2,645.45

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Solution

The fourth proportional to 5,763.98, 8,650.58 and 2,645.45 is: 3,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.98 : 8,650.58 = 2,645.45 : x
  2. Step 2: Convert to fraction form
    5,763.98/8,650.58 = 2,645.45/x
  3. Step 3: Cross multiply
    5,763.98x = 8,650.58 × 2,645.45
  4. Step 4: Simplify right side
    5,763.98x = 22,884,676.86
  5. Step 5: Solve for x
    x = 22,884,676.86/5,763.98
  6. Step 6: Final answer
    x = 3,970.29

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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.