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Finding the Fourth Proportional to 5,861.68, 8,784.87 and 4,469.92

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Solution

The fourth proportional to 5,861.68, 8,784.87 and 4,469.92 is: 6,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.68 : 8,784.87 = 4,469.92 : x
  2. Step 2: Convert to fraction form
    5,861.68/8,784.87 = 4,469.92/x
  3. Step 3: Cross multiply
    5,861.68x = 8,784.87 × 4,469.92
  4. Step 4: Simplify right side
    5,861.68x = 39,267,666.11
  5. Step 5: Solve for x
    x = 39,267,666.11/5,861.68
  6. Step 6: Final answer
    x = 6,699.05

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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.