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Finding the Fourth Proportional to 8,930.58, 13,398.10 and 6,303.22

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Solution

The fourth proportional to 8,930.58, 13,398.10 and 6,303.22 is: 9,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.58 : 13,398.10 = 6,303.22 : x
  2. Step 2: Convert to fraction form
    8,930.58/13,398.10 = 6,303.22/x
  3. Step 3: Cross multiply
    8,930.58x = 13,398.10 × 6,303.22
  4. Step 4: Simplify right side
    8,930.58x = 84,451,073.38
  5. Step 5: Solve for x
    x = 84,451,073.38/8,930.58
  6. Step 6: Final answer
    x = 9,456.39

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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.