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Finding the Fourth Proportional to 66,956.36, 100,475.54 and 26,968.01

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Solution

The fourth proportional to 66,956.36, 100,475.54 and 26,968.01 is: 40,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.36 : 100,475.54 = 26,968.01 : x
  2. Step 2: Convert to fraction form
    66,956.36/100,475.54 = 26,968.01/x
  3. Step 3: Cross multiply
    66,956.36x = 100,475.54 × 26,968.01
  4. Step 4: Simplify right side
    66,956.36x = 2,709,625,367.48
  5. Step 5: Solve for x
    x = 2,709,625,367.48/66,956.36
  6. Step 6: Final answer
    x = 40,468.53

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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.