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Finding the Fourth Proportional to 67,496.55, 101,244.77 and 20,749.35

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Solution

The fourth proportional to 67,496.55, 101,244.77 and 20,749.35 is: 31,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,496.55 : 101,244.77 = 20,749.35 : x
  2. Step 2: Convert to fraction form
    67,496.55/101,244.77 = 20,749.35/x
  3. Step 3: Cross multiply
    67,496.55x = 101,244.77 × 20,749.35
  4. Step 4: Simplify right side
    67,496.55x = 2,100,763,064.65
  5. Step 5: Solve for x
    x = 2,100,763,064.65/67,496.55
  6. Step 6: Final answer
    x = 31,124.01

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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.