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Finding the Fourth Proportional to 34,562.96, 47,697.96 and 19,659.92

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Solution

The fourth proportional to 34,562.96, 47,697.96 and 19,659.92 is: 27,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,562.96 : 47,697.96 = 19,659.92 : x
  2. Step 2: Convert to fraction form
    34,562.96/47,697.96 = 19,659.92/x
  3. Step 3: Cross multiply
    34,562.96x = 47,697.96 × 19,659.92
  4. Step 4: Simplify right side
    34,562.96x = 937,738,077.76
  5. Step 5: Solve for x
    x = 937,738,077.76/34,562.96
  6. Step 6: Final answer
    x = 27,131.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.