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Finding the Fourth Proportional to 61,236.58, 91,831.56 and 36,283.67

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Solution

The fourth proportional to 61,236.58, 91,831.56 and 36,283.67 is: 54,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236.58 : 91,831.56 = 36,283.67 : x
  2. Step 2: Convert to fraction form
    61,236.58/91,831.56 = 36,283.67/x
  3. Step 3: Cross multiply
    61,236.58x = 91,831.56 × 36,283.67
  4. Step 4: Simplify right side
    61,236.58x = 3,331,985,767.77
  5. Step 5: Solve for x
    x = 3,331,985,767.77/61,236.58
  6. Step 6: Final answer
    x = 54,411.69

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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.