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Finding the Fourth Proportional to 51,079.95, 76,619.93 and 23,009.81

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Solution

The fourth proportional to 51,079.95, 76,619.93 and 23,009.81 is: 34,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.95 : 76,619.93 = 23,009.81 : x
  2. Step 2: Convert to fraction form
    51,079.95/76,619.93 = 23,009.81/x
  3. Step 3: Cross multiply
    51,079.95x = 76,619.93 × 23,009.81
  4. Step 4: Simplify right side
    51,079.95x = 1,763,009,533.36
  5. Step 5: Solve for x
    x = 1,763,009,533.36/51,079.95
  6. Step 6: Final answer
    x = 34,514.71

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Similar ratio
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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.