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Finding the Fourth Proportional to 57,679.04, 79,601.76 and 32,533.76

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Solution

The fourth proportional to 57,679.04, 79,601.76 and 32,533.76 is: 44,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,679.04 : 79,601.76 = 32,533.76 : x
  2. Step 2: Convert to fraction form
    57,679.04/79,601.76 = 32,533.76/x
  3. Step 3: Cross multiply
    57,679.04x = 79,601.76 × 32,533.76
  4. Step 4: Simplify right side
    57,679.04x = 2,589,744,555.42
  5. Step 5: Solve for x
    x = 2,589,744,555.42/57,679.04
  6. Step 6: Final answer
    x = 44,899.23

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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.