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Finding the Fourth Proportional to 6,699.57, 9,247.29 and 4,047.15

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Solution

The fourth proportional to 6,699.57, 9,247.29 and 4,047.15 is: 5,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.57 : 9,247.29 = 4,047.15 : x
  2. Step 2: Convert to fraction form
    6,699.57/9,247.29 = 4,047.15/x
  3. Step 3: Cross multiply
    6,699.57x = 9,247.29 × 4,047.15
  4. Step 4: Simplify right side
    6,699.57x = 37,425,169.72
  5. Step 5: Solve for x
    x = 37,425,169.72/6,699.57
  6. Step 6: Final answer
    x = 5,586.20

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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.