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Finding the Fourth Proportional to 51,757.50, 71,479.56 and 35,666.64

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Solution

The fourth proportional to 51,757.50, 71,479.56 and 35,666.64 is: 49,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757.50 : 71,479.56 = 35,666.64 : x
  2. Step 2: Convert to fraction form
    51,757.50/71,479.56 = 35,666.64/x
  3. Step 3: Cross multiply
    51,757.50x = 71,479.56 × 35,666.64
  4. Step 4: Simplify right side
    51,757.50x = 2,549,435,733.88
  5. Step 5: Solve for x
    x = 2,549,435,733.88/51,757.50
  6. Step 6: Final answer
    x = 49,257.32

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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.