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Finding the Fourth Proportional to 55,351.52, 83,027.28 and 13,798.56

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Solution

The fourth proportional to 55,351.52, 83,027.28 and 13,798.56 is: 20,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,351.52 : 83,027.28 = 13,798.56 : x
  2. Step 2: Convert to fraction form
    55,351.52/83,027.28 = 13,798.56/x
  3. Step 3: Cross multiply
    55,351.52x = 83,027.28 × 13,798.56
  4. Step 4: Simplify right side
    55,351.52x = 1,145,656,904.72
  5. Step 5: Solve for x
    x = 1,145,656,904.72/55,351.52
  6. Step 6: Final answer
    x = 20,697.84

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1.5x scale

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.