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Finding the Fourth Proportional to 6,686.55, 10,035.90 and 4,496.82

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Solution

The fourth proportional to 6,686.55, 10,035.90 and 4,496.82 is: 6,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.55 : 10,035.90 = 4,496.82 : x
  2. Step 2: Convert to fraction form
    6,686.55/10,035.90 = 4,496.82/x
  3. Step 3: Cross multiply
    6,686.55x = 10,035.90 × 4,496.82
  4. Step 4: Simplify right side
    6,686.55x = 45,129,598.20
  5. Step 5: Solve for x
    x = 45,129,598.20/6,686.55
  6. Step 6: Final answer
    x = 6,749.31

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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.