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Finding the Fourth Proportional to 6,497.70, 8,966.70 and 3,809.58

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Solution

The fourth proportional to 6,497.70, 8,966.70 and 3,809.58 is: 5,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497.70 : 8,966.70 = 3,809.58 : x
  2. Step 2: Convert to fraction form
    6,497.70/8,966.70 = 3,809.58/x
  3. Step 3: Cross multiply
    6,497.70x = 8,966.70 × 3,809.58
  4. Step 4: Simplify right side
    6,497.70x = 34,159,360.99
  5. Step 5: Solve for x
    x = 34,159,360.99/6,497.70
  6. Step 6: Final answer
    x = 5,257.15

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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.