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Finding the Fourth Proportional to 9,418.55, 14,095.11 and 5,859.20

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Solution

The fourth proportional to 9,418.55, 14,095.11 and 5,859.20 is: 8,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.55 : 14,095.11 = 5,859.20 : x
  2. Step 2: Convert to fraction form
    9,418.55/14,095.11 = 5,859.20/x
  3. Step 3: Cross multiply
    9,418.55x = 14,095.11 × 5,859.20
  4. Step 4: Simplify right side
    9,418.55x = 82,586,125.72
  5. Step 5: Solve for x
    x = 82,586,125.72/9,418.55
  6. Step 6: Final answer
    x = 8,768.46

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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.