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Finding the Fourth Proportional to 8,863.69, 13,262.71 and 6,525.43

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Solution

The fourth proportional to 8,863.69, 13,262.71 and 6,525.43 is: 9,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.69 : 13,262.71 = 6,525.43 : x
  2. Step 2: Convert to fraction form
    8,863.69/13,262.71 = 6,525.43/x
  3. Step 3: Cross multiply
    8,863.69x = 13,262.71 × 6,525.43
  4. Step 4: Simplify right side
    8,863.69x = 86,544,885.72
  5. Step 5: Solve for x
    x = 86,544,885.72/8,863.69
  6. Step 6: Final answer
    x = 9,763.98

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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.