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Finding the Fourth Proportional to 59,452.90, 89,183.40 and 18,923.20

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Solution

The fourth proportional to 59,452.90, 89,183.40 and 18,923.20 is: 28,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,452.90 : 89,183.40 = 18,923.20 : x
  2. Step 2: Convert to fraction form
    59,452.90/89,183.40 = 18,923.20/x
  3. Step 3: Cross multiply
    59,452.90x = 89,183.40 × 18,923.20
  4. Step 4: Simplify right side
    59,452.90x = 1,687,635,314.88
  5. Step 5: Solve for x
    x = 1,687,635,314.88/59,452.90
  6. Step 6: Final answer
    x = 28,386.09

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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.