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Finding the Fourth Proportional to 6,933.60, 9,561.65 and 5,871.29

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Solution

The fourth proportional to 6,933.60, 9,561.65 and 5,871.29 is: 8,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.60 : 9,561.65 = 5,871.29 : x
  2. Step 2: Convert to fraction form
    6,933.60/9,561.65 = 5,871.29/x
  3. Step 3: Cross multiply
    6,933.60x = 9,561.65 × 5,871.29
  4. Step 4: Simplify right side
    6,933.60x = 56,139,142.86
  5. Step 5: Solve for x
    x = 56,139,142.86/6,933.60
  6. Step 6: Final answer
    x = 8,096.68

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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.