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Finding the Fourth Proportional to 50,706.87, 69,975.95 and 28,044.69

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Solution

The fourth proportional to 50,706.87, 69,975.95 and 28,044.69 is: 38,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,706.87 : 69,975.95 = 28,044.69 : x
  2. Step 2: Convert to fraction form
    50,706.87/69,975.95 = 28,044.69/x
  3. Step 3: Cross multiply
    50,706.87x = 69,975.95 × 28,044.69
  4. Step 4: Simplify right side
    50,706.87x = 1,962,453,825.21
  5. Step 5: Solve for x
    x = 1,962,453,825.21/50,706.87
  6. Step 6: Final answer
    x = 38,701.93

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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.