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Finding the Fourth Proportional to 9,255.56, 12,773.70 and 5,898.51

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Solution

The fourth proportional to 9,255.56, 12,773.70 and 5,898.51 is: 8,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.56 : 12,773.70 = 5,898.51 : x
  2. Step 2: Convert to fraction form
    9,255.56/12,773.70 = 5,898.51/x
  3. Step 3: Cross multiply
    9,255.56x = 12,773.70 × 5,898.51
  4. Step 4: Simplify right side
    9,255.56x = 75,345,797.19
  5. Step 5: Solve for x
    x = 75,345,797.19/9,255.56
  6. Step 6: Final answer
    x = 8,140.60

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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.