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Finding the Fourth Proportional to 55,956, 83,955.60 and 26,372.64

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Solution

The fourth proportional to 55,956, 83,955.60 and 26,372.64 is: 39,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956 : 83,955.60 = 26,372.64 : x
  2. Step 2: Convert to fraction form
    55,956/83,955.60 = 26,372.64/x
  3. Step 3: Cross multiply
    55,956x = 83,955.60 × 26,372.64
  4. Step 4: Simplify right side
    55,956x = 2,214,130,814.78
  5. Step 5: Solve for x
    x = 2,214,130,814.78/55,956
  6. Step 6: Final answer
    x = 39,569.14

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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.