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Finding the Fourth Proportional to 51,469.02, 70,378.66 and 51,469.02

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Solution

The fourth proportional to 51,469.02, 70,378.66 and 51,469.02 is: 70,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,469.02 : 70,378.66 = 51,469.02 : x
  2. Step 2: Convert to fraction form
    51,469.02/70,378.66 = 51,469.02/x
  3. Step 3: Cross multiply
    51,469.02x = 70,378.66 × 51,469.02
  4. Step 4: Simplify right side
    51,469.02x = 3,622,320,659.11
  5. Step 5: Solve for x
    x = 3,622,320,659.11/51,469.02
  6. Step 6: Final answer
    x = 70,378.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.