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Finding the Fourth Proportional to 5,762.98, 8,649.08 and 2,644.45

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Solution

The fourth proportional to 5,762.98, 8,649.08 and 2,644.45 is: 3,968.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.98 : 8,649.08 = 2,644.45 : x
  2. Step 2: Convert to fraction form
    5,762.98/8,649.08 = 2,644.45/x
  3. Step 3: Cross multiply
    5,762.98x = 8,649.08 × 2,644.45
  4. Step 4: Simplify right side
    5,762.98x = 22,872,059.61
  5. Step 5: Solve for x
    x = 22,872,059.61/5,762.98
  6. Step 6: Final answer
    x = 3,968.79

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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.