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Finding the Fourth Proportional to 9,558.92, 13,191.94 and 5,310.20

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Solution

The fourth proportional to 9,558.92, 13,191.94 and 5,310.20 is: 7,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.92 : 13,191.94 = 5,310.20 : x
  2. Step 2: Convert to fraction form
    9,558.92/13,191.94 = 5,310.20/x
  3. Step 3: Cross multiply
    9,558.92x = 13,191.94 × 5,310.20
  4. Step 4: Simplify right side
    9,558.92x = 70,051,839.79
  5. Step 5: Solve for x
    x = 70,051,839.79/9,558.92
  6. Step 6: Final answer
    x = 7,328.43

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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.