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Finding the Fourth Proportional to 5,777.48, 8,674.86 and 5,575.88

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Solution

The fourth proportional to 5,777.48, 8,674.86 and 5,575.88 is: 8,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.48 : 8,674.86 = 5,575.88 : x
  2. Step 2: Convert to fraction form
    5,777.48/8,674.86 = 5,575.88/x
  3. Step 3: Cross multiply
    5,777.48x = 8,674.86 × 5,575.88
  4. Step 4: Simplify right side
    5,777.48x = 48,369,978.38
  5. Step 5: Solve for x
    x = 48,369,978.38/5,777.48
  6. Step 6: Final answer
    x = 8,372.16

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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.