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Finding the Fourth Proportional to 6,693.70, 9,237.18 and 3,709.53

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Solution

The fourth proportional to 6,693.70, 9,237.18 and 3,709.53 is: 5,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.70 : 9,237.18 = 3,709.53 : x
  2. Step 2: Convert to fraction form
    6,693.70/9,237.18 = 3,709.53/x
  3. Step 3: Cross multiply
    6,693.70x = 9,237.18 × 3,709.53
  4. Step 4: Simplify right side
    6,693.70x = 34,265,596.33
  5. Step 5: Solve for x
    x = 34,265,596.33/6,693.70
  6. Step 6: Final answer
    x = 5,119.08

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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.