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Finding the Fourth Proportional to 5,657.72, 8,491.26 and 2,886.44

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Solution

The fourth proportional to 5,657.72, 8,491.26 and 2,886.44 is: 4,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.72 : 8,491.26 = 2,886.44 : x
  2. Step 2: Convert to fraction form
    5,657.72/8,491.26 = 2,886.44/x
  3. Step 3: Cross multiply
    5,657.72x = 8,491.26 × 2,886.44
  4. Step 4: Simplify right side
    5,657.72x = 24,509,512.51
  5. Step 5: Solve for x
    x = 24,509,512.51/5,657.72
  6. Step 6: Final answer
    x = 4,332.05

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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.