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Finding the Fourth Proportional to 69,831.12, 104,746.68 and 32,898

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Solution

The fourth proportional to 69,831.12, 104,746.68 and 32,898 is: 49,347

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,831.12 : 104,746.68 = 32,898 : x
  2. Step 2: Convert to fraction form
    69,831.12/104,746.68 = 32,898/x
  3. Step 3: Cross multiply
    69,831.12x = 104,746.68 × 32,898
  4. Step 4: Simplify right side
    69,831.12x = 3,445,956,278.64
  5. Step 5: Solve for x
    x = 3,445,956,278.64/69,831.12
  6. Step 6: Final answer
    x = 49,347

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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.