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Finding the Fourth Proportional to 6,491.90, 8,952.94 and 4,252.96

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Solution

The fourth proportional to 6,491.90, 8,952.94 and 4,252.96 is: 5,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.90 : 8,952.94 = 4,252.96 : x
  2. Step 2: Convert to fraction form
    6,491.90/8,952.94 = 4,252.96/x
  3. Step 3: Cross multiply
    6,491.90x = 8,952.94 × 4,252.96
  4. Step 4: Simplify right side
    6,491.90x = 38,076,495.70
  5. Step 5: Solve for x
    x = 38,076,495.70/6,491.90
  6. Step 6: Final answer
    x = 5,865.23

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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.