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Finding the Fourth Proportional to 50,935.79, 76,404.21 and 15,397.40

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Solution

The fourth proportional to 50,935.79, 76,404.21 and 15,397.40 is: 23,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,935.79 : 76,404.21 = 15,397.40 : x
  2. Step 2: Convert to fraction form
    50,935.79/76,404.21 = 15,397.40/x
  3. Step 3: Cross multiply
    50,935.79x = 76,404.21 × 15,397.40
  4. Step 4: Simplify right side
    50,935.79x = 1,176,426,183.05
  5. Step 5: Solve for x
    x = 1,176,426,183.05/50,935.79
  6. Step 6: Final answer
    x = 23,096.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.