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Finding the Fourth Proportional to 8,773.54, 13,151.10 and 4,089.68

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Solution

The fourth proportional to 8,773.54, 13,151.10 and 4,089.68 is: 6,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.54 : 13,151.10 = 4,089.68 : x
  2. Step 2: Convert to fraction form
    8,773.54/13,151.10 = 4,089.68/x
  3. Step 3: Cross multiply
    8,773.54x = 13,151.10 × 4,089.68
  4. Step 4: Simplify right side
    8,773.54x = 53,783,790.65
  5. Step 5: Solve for x
    x = 53,783,790.65/8,773.54
  6. Step 6: Final answer
    x = 6,130.23

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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.