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Finding the Fourth Proportional to 50,740.70, 71,192.50 and 50,740.70

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Solution

The fourth proportional to 50,740.70, 71,192.50 and 50,740.70 is: 71,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,740.70 : 71,192.50 = 50,740.70 : x
  2. Step 2: Convert to fraction form
    50,740.70/71,192.50 = 50,740.70/x
  3. Step 3: Cross multiply
    50,740.70x = 71,192.50 × 50,740.70
  4. Step 4: Simplify right side
    50,740.70x = 3,612,357,284.75
  5. Step 5: Solve for x
    x = 3,612,357,284.75/50,740.70
  6. Step 6: Final answer
    x = 71,192.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.