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Finding the Fourth Proportional to 9,484.94, 13,089.94 and 5,236.82

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Solution

The fourth proportional to 9,484.94, 13,089.94 and 5,236.82 is: 7,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,484.94 : 13,089.94 = 5,236.82 : x
  2. Step 2: Convert to fraction form
    9,484.94/13,089.94 = 5,236.82/x
  3. Step 3: Cross multiply
    9,484.94x = 13,089.94 × 5,236.82
  4. Step 4: Simplify right side
    9,484.94x = 68,549,567.96
  5. Step 5: Solve for x
    x = 68,549,567.96/9,484.94
  6. Step 6: Final answer
    x = 7,227.20

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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.