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Finding the Fourth Proportional to 69,062.54, 103,593.80 and 45,683.51

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Solution

The fourth proportional to 69,062.54, 103,593.80 and 45,683.51 is: 68,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,062.54 : 103,593.80 = 45,683.51 : x
  2. Step 2: Convert to fraction form
    69,062.54/103,593.80 = 45,683.51/x
  3. Step 3: Cross multiply
    69,062.54x = 103,593.80 × 45,683.51
  4. Step 4: Simplify right side
    69,062.54x = 4,732,527,651.85
  5. Step 5: Solve for x
    x = 4,732,527,651.85/69,062.54
  6. Step 6: Final answer
    x = 68,525.25

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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.