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Finding the Fourth Proportional to 5,777.92, 7,968.63 and 4,658.50

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Solution

The fourth proportional to 5,777.92, 7,968.63 and 4,658.50 is: 6,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.92 : 7,968.63 = 4,658.50 : x
  2. Step 2: Convert to fraction form
    5,777.92/7,968.63 = 4,658.50/x
  3. Step 3: Cross multiply
    5,777.92x = 7,968.63 × 4,658.50
  4. Step 4: Simplify right side
    5,777.92x = 37,121,862.86
  5. Step 5: Solve for x
    x = 37,121,862.86/5,777.92
  6. Step 6: Final answer
    x = 6,424.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.