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Finding the Fourth Proportional to 50,706.68, 76,070 and 17,418.64

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Solution

The fourth proportional to 50,706.68, 76,070 and 17,418.64 is: 26,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,706.68 : 76,070 = 17,418.64 : x
  2. Step 2: Convert to fraction form
    50,706.68/76,070 = 17,418.64/x
  3. Step 3: Cross multiply
    50,706.68x = 76,070 × 17,418.64
  4. Step 4: Simplify right side
    50,706.68x = 1,325,035,944.80
  5. Step 5: Solve for x
    x = 1,325,035,944.80/50,706.68
  6. Step 6: Final answer
    x = 26,131.39

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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.