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Finding the Fourth Proportional to 8,225.63, 11,351.63 and 4,499.63

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Solution

The fourth proportional to 8,225.63, 11,351.63 and 4,499.63 is: 6,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.63 : 11,351.63 = 4,499.63 : x
  2. Step 2: Convert to fraction form
    8,225.63/11,351.63 = 4,499.63/x
  3. Step 3: Cross multiply
    8,225.63x = 11,351.63 × 4,499.63
  4. Step 4: Simplify right side
    8,225.63x = 51,078,089.39
  5. Step 5: Solve for x
    x = 51,078,089.39/8,225.63
  6. Step 6: Final answer
    x = 6,209.63

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Double scale
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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.