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Finding the Fourth Proportional to 57,710.88, 79,639.44 and 32,562.72

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Solution

The fourth proportional to 57,710.88, 79,639.44 and 32,562.72 is: 44,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,710.88 : 79,639.44 = 32,562.72 : x
  2. Step 2: Convert to fraction form
    57,710.88/79,639.44 = 32,562.72/x
  3. Step 3: Cross multiply
    57,710.88x = 79,639.44 × 32,562.72
  4. Step 4: Simplify right side
    57,710.88x = 2,593,276,785.68
  5. Step 5: Solve for x
    x = 2,593,276,785.68/57,710.88
  6. Step 6: Final answer
    x = 44,935.67

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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.