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Finding the Fourth Proportional to 6,903.53, 9,527.81 and 4,071.70

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Solution

The fourth proportional to 6,903.53, 9,527.81 and 4,071.70 is: 5,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.53 : 9,527.81 = 4,071.70 : x
  2. Step 2: Convert to fraction form
    6,903.53/9,527.81 = 4,071.70/x
  3. Step 3: Cross multiply
    6,903.53x = 9,527.81 × 4,071.70
  4. Step 4: Simplify right side
    6,903.53x = 38,794,398.43
  5. Step 5: Solve for x
    x = 38,794,398.43/6,903.53
  6. Step 6: Final answer
    x = 5,619.50

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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.