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Finding the Fourth Proportional to 15,673.57, 23,519.54 and 5,819.65

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Solution

The fourth proportional to 15,673.57, 23,519.54 and 5,819.65 is: 8,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.57 : 23,519.54 = 5,819.65 : x
  2. Step 2: Convert to fraction form
    15,673.57/23,519.54 = 5,819.65/x
  3. Step 3: Cross multiply
    15,673.57x = 23,519.54 × 5,819.65
  4. Step 4: Simplify right side
    15,673.57x = 136,875,461.86
  5. Step 5: Solve for x
    x = 136,875,461.86/15,673.57
  6. Step 6: Final answer
    x = 8,732.88

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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.