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Finding the Fourth Proportional to 8,683.02, 13,040.43 and 7,951.07

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Solution

The fourth proportional to 8,683.02, 13,040.43 and 7,951.07 is: 11,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.02 : 13,040.43 = 7,951.07 : x
  2. Step 2: Convert to fraction form
    8,683.02/13,040.43 = 7,951.07/x
  3. Step 3: Cross multiply
    8,683.02x = 13,040.43 × 7,951.07
  4. Step 4: Simplify right side
    8,683.02x = 103,685,306.56
  5. Step 5: Solve for x
    x = 103,685,306.56/8,683.02
  6. Step 6: Final answer
    x = 11,941.16

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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.