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Finding the Fourth Proportional to 6,244.80, 8,586.72 and 5,985.60

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Solution

The fourth proportional to 6,244.80, 8,586.72 and 5,985.60 is: 8,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.80 : 8,586.72 = 5,985.60 : x
  2. Step 2: Convert to fraction form
    6,244.80/8,586.72 = 5,985.60/x
  3. Step 3: Cross multiply
    6,244.80x = 8,586.72 × 5,985.60
  4. Step 4: Simplify right side
    6,244.80x = 51,396,671.23
  5. Step 5: Solve for x
    x = 51,396,671.23/6,244.80
  6. Step 6: Final answer
    x = 8,230.32

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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.