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Finding the Fourth Proportional to 48,169, 66,514.26 and 30,293.92

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Solution

The fourth proportional to 48,169, 66,514.26 and 30,293.92 is: 41,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,169 : 66,514.26 = 30,293.92 : x
  2. Step 2: Convert to fraction form
    48,169/66,514.26 = 30,293.92/x
  3. Step 3: Cross multiply
    48,169x = 66,514.26 × 30,293.92
  4. Step 4: Simplify right side
    48,169x = 2,014,977,671.30
  5. Step 5: Solve for x
    x = 2,014,977,671.30/48,169
  6. Step 6: Final answer
    x = 41,831.42

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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.