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Finding the Fourth Proportional to 8,756.48, 13,083.43 and 8,450.24

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Solution

The fourth proportional to 8,756.48, 13,083.43 and 8,450.24 is: 12,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.48 : 13,083.43 = 8,450.24 : x
  2. Step 2: Convert to fraction form
    8,756.48/13,083.43 = 8,450.24/x
  3. Step 3: Cross multiply
    8,756.48x = 13,083.43 × 8,450.24
  4. Step 4: Simplify right side
    8,756.48x = 110,558,123.52
  5. Step 5: Solve for x
    x = 110,558,123.52/8,756.48
  6. Step 6: Final answer
    x = 12,625.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.