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Finding the Fourth Proportional to 58,609.28, 80,886.72 and 34,739.84

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Solution

The fourth proportional to 58,609.28, 80,886.72 and 34,739.84 is: 47,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,609.28 : 80,886.72 = 34,739.84 : x
  2. Step 2: Convert to fraction form
    58,609.28/80,886.72 = 34,739.84/x
  3. Step 3: Cross multiply
    58,609.28x = 80,886.72 × 34,739.84
  4. Step 4: Simplify right side
    58,609.28x = 2,809,991,710.92
  5. Step 5: Solve for x
    x = 2,809,991,710.92/58,609.28
  6. Step 6: Final answer
    x = 47,944.48

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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.