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Finding the Fourth Proportional to 6,313.66, 9,472.61 and 3,970.90

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Solution

The fourth proportional to 6,313.66, 9,472.61 and 3,970.90 is: 5,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.66 : 9,472.61 = 3,970.90 : x
  2. Step 2: Convert to fraction form
    6,313.66/9,472.61 = 3,970.90/x
  3. Step 3: Cross multiply
    6,313.66x = 9,472.61 × 3,970.90
  4. Step 4: Simplify right side
    6,313.66x = 37,614,808.82
  5. Step 5: Solve for x
    x = 37,614,808.82/6,313.66
  6. Step 6: Final answer
    x = 5,957.69

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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.