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Finding the Fourth Proportional to 50,432.70, 72,716.40 and 50,432.70

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Solution

The fourth proportional to 50,432.70, 72,716.40 and 50,432.70 is: 72,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,432.70 : 72,716.40 = 50,432.70 : x
  2. Step 2: Convert to fraction form
    50,432.70/72,716.40 = 50,432.70/x
  3. Step 3: Cross multiply
    50,432.70x = 72,716.40 × 50,432.70
  4. Step 4: Simplify right side
    50,432.70x = 3,667,284,386.28
  5. Step 5: Solve for x
    x = 3,667,284,386.28/50,432.70
  6. Step 6: Final answer
    x = 72,716.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.