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Finding the Fourth Proportional to 15,103.65, 22,636.34 and 8,533.54

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Solution

The fourth proportional to 15,103.65, 22,636.34 and 8,533.54 is: 12,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.65 : 22,636.34 = 8,533.54 : x
  2. Step 2: Convert to fraction form
    15,103.65/22,636.34 = 8,533.54/x
  3. Step 3: Cross multiply
    15,103.65x = 22,636.34 × 8,533.54
  4. Step 4: Simplify right side
    15,103.65x = 193,167,956.99
  5. Step 5: Solve for x
    x = 193,167,956.99/15,103.65
  6. Step 6: Final answer
    x = 12,789.49

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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.