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Finding the Fourth Proportional to 50,756.80, 70,042.62 and 28,095.70

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Solution

The fourth proportional to 50,756.80, 70,042.62 and 28,095.70 is: 38,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756.80 : 70,042.62 = 28,095.70 : x
  2. Step 2: Convert to fraction form
    50,756.80/70,042.62 = 28,095.70/x
  3. Step 3: Cross multiply
    50,756.80x = 70,042.62 × 28,095.70
  4. Step 4: Simplify right side
    50,756.80x = 1,967,896,438.73
  5. Step 5: Solve for x
    x = 1,967,896,438.73/50,756.80
  6. Step 6: Final answer
    x = 38,771.09

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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.