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Finding the Fourth Proportional to 57,639.96, 79,544.70 and 32,495.40

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Solution

The fourth proportional to 57,639.96, 79,544.70 and 32,495.40 is: 44,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.96 : 79,544.70 = 32,495.40 : x
  2. Step 2: Convert to fraction form
    57,639.96/79,544.70 = 32,495.40/x
  3. Step 3: Cross multiply
    57,639.96x = 79,544.70 × 32,495.40
  4. Step 4: Simplify right side
    57,639.96x = 2,584,836,844.38
  5. Step 5: Solve for x
    x = 2,584,836,844.38/57,639.96
  6. Step 6: Final answer
    x = 44,844.53

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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.