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Finding the Fourth Proportional to 6,950.70, 10,426.05 and 3,670.20

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Solution

The fourth proportional to 6,950.70, 10,426.05 and 3,670.20 is: 5,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,950.70 : 10,426.05 = 3,670.20 : x
  2. Step 2: Convert to fraction form
    6,950.70/10,426.05 = 3,670.20/x
  3. Step 3: Cross multiply
    6,950.70x = 10,426.05 × 3,670.20
  4. Step 4: Simplify right side
    6,950.70x = 38,265,688.71
  5. Step 5: Solve for x
    x = 38,265,688.71/6,950.70
  6. Step 6: Final answer
    x = 5,505.30

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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.