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Finding the Fourth Proportional to 53,200.68, 79,794.90 and 13,754.76

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Solution

The fourth proportional to 53,200.68, 79,794.90 and 13,754.76 is: 20,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,200.68 : 79,794.90 = 13,754.76 : x
  2. Step 2: Convert to fraction form
    53,200.68/79,794.90 = 13,754.76/x
  3. Step 3: Cross multiply
    53,200.68x = 79,794.90 × 13,754.76
  4. Step 4: Simplify right side
    53,200.68x = 1,097,559,698.72
  5. Step 5: Solve for x
    x = 1,097,559,698.72/53,200.68
  6. Step 6: Final answer
    x = 20,630.56

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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.