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Finding the Fourth Proportional to 5,666.56, 8,486.88 and 3,586.48

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Solution

The fourth proportional to 5,666.56, 8,486.88 and 3,586.48 is: 5,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.56 : 8,486.88 = 3,586.48 : x
  2. Step 2: Convert to fraction form
    5,666.56/8,486.88 = 3,586.48/x
  3. Step 3: Cross multiply
    5,666.56x = 8,486.88 × 3,586.48
  4. Step 4: Simplify right side
    5,666.56x = 30,438,025.38
  5. Step 5: Solve for x
    x = 30,438,025.38/5,666.56
  6. Step 6: Final answer
    x = 5,371.52

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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.