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Finding the Fourth Proportional to 6,708.81, 9,258.03 and 3,724.68

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Solution

The fourth proportional to 6,708.81, 9,258.03 and 3,724.68 is: 5,139.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.81 : 9,258.03 = 3,724.68 : x
  2. Step 2: Convert to fraction form
    6,708.81/9,258.03 = 3,724.68/x
  3. Step 3: Cross multiply
    6,708.81x = 9,258.03 × 3,724.68
  4. Step 4: Simplify right side
    6,708.81x = 34,483,199.18
  5. Step 5: Solve for x
    x = 34,483,199.18/6,708.81
  6. Step 6: Final answer
    x = 5,139.99

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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.