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Finding the Fourth Proportional to 9,343.32, 13,995.82 and 7,484.37

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Solution

The fourth proportional to 9,343.32, 13,995.82 and 7,484.37 is: 11,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.32 : 13,995.82 = 7,484.37 : x
  2. Step 2: Convert to fraction form
    9,343.32/13,995.82 = 7,484.37/x
  3. Step 3: Cross multiply
    9,343.32x = 13,995.82 × 7,484.37
  4. Step 4: Simplify right side
    9,343.32x = 104,749,895.33
  5. Step 5: Solve for x
    x = 104,749,895.33/9,343.32
  6. Step 6: Final answer
    x = 11,211.21

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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.