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Finding the Fourth Proportional to 10,458.70, 15,686.90 and 3,063.23

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Solution

The fourth proportional to 10,458.70, 15,686.90 and 3,063.23 is: 4,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.70 : 15,686.90 = 3,063.23 : x
  2. Step 2: Convert to fraction form
    10,458.70/15,686.90 = 3,063.23/x
  3. Step 3: Cross multiply
    10,458.70x = 15,686.90 × 3,063.23
  4. Step 4: Simplify right side
    10,458.70x = 48,052,582.69
  5. Step 5: Solve for x
    x = 48,052,582.69/10,458.70
  6. Step 6: Final answer
    x = 4,594.51

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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.