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Finding the Fourth Proportional to 61,831.02, 85,327.29 and 33,536.70

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Solution

The fourth proportional to 61,831.02, 85,327.29 and 33,536.70 is: 46,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,831.02 : 85,327.29 = 33,536.70 : x
  2. Step 2: Convert to fraction form
    61,831.02/85,327.29 = 33,536.70/x
  3. Step 3: Cross multiply
    61,831.02x = 85,327.29 × 33,536.70
  4. Step 4: Simplify right side
    61,831.02x = 2,861,595,726.54
  5. Step 5: Solve for x
    x = 2,861,595,726.54/61,831.02
  6. Step 6: Final answer
    x = 46,280.91

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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.