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Finding the Fourth Proportional to 46,644, 69,976.98 and 15,479.34

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Solution

The fourth proportional to 46,644, 69,976.98 and 15,479.34 is: 23,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,644 : 69,976.98 = 15,479.34 : x
  2. Step 2: Convert to fraction form
    46,644/69,976.98 = 15,479.34/x
  3. Step 3: Cross multiply
    46,644x = 69,976.98 × 15,479.34
  4. Step 4: Simplify right side
    46,644x = 1,083,197,465.59
  5. Step 5: Solve for x
    x = 1,083,197,465.59/46,644
  6. Step 6: Final answer
    x = 23,222.65

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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.