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Finding the Fourth Proportional to 69,558.04, 95,914.02 and 51,686.20

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Solution

The fourth proportional to 69,558.04, 95,914.02 and 51,686.20 is: 71,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,558.04 : 95,914.02 = 51,686.20 : x
  2. Step 2: Convert to fraction form
    69,558.04/95,914.02 = 51,686.20/x
  3. Step 3: Cross multiply
    69,558.04x = 95,914.02 × 51,686.20
  4. Step 4: Simplify right side
    69,558.04x = 4,957,431,220.52
  5. Step 5: Solve for x
    x = 4,957,431,220.52/69,558.04
  6. Step 6: Final answer
    x = 71,270.43

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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.