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Finding the Fourth Proportional to 55,303.88, 82,956.14 and 13,750.88

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Solution

The fourth proportional to 55,303.88, 82,956.14 and 13,750.88 is: 20,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.88 : 82,956.14 = 13,750.88 : x
  2. Step 2: Convert to fraction form
    55,303.88/82,956.14 = 13,750.88/x
  3. Step 3: Cross multiply
    55,303.88x = 82,956.14 × 13,750.88
  4. Step 4: Simplify right side
    55,303.88x = 1,140,719,442.87
  5. Step 5: Solve for x
    x = 1,140,719,442.87/55,303.88
  6. Step 6: Final answer
    x = 20,626.39

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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.