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Finding the Fourth Proportional to 5,731.44, 8,607.24 and 5,649.36

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Solution

The fourth proportional to 5,731.44, 8,607.24 and 5,649.36 is: 8,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.44 : 8,607.24 = 5,649.36 : x
  2. Step 2: Convert to fraction form
    5,731.44/8,607.24 = 5,649.36/x
  3. Step 3: Cross multiply
    5,731.44x = 8,607.24 × 5,649.36
  4. Step 4: Simplify right side
    5,731.44x = 48,625,397.37
  5. Step 5: Solve for x
    x = 48,625,397.37/5,731.44
  6. Step 6: Final answer
    x = 8,483.98

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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.