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Finding the Fourth Proportional to 10,596.44, 15,899.16 and 5,328.67

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Solution

The fourth proportional to 10,596.44, 15,899.16 and 5,328.67 is: 7,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,596.44 : 15,899.16 = 5,328.67 : x
  2. Step 2: Convert to fraction form
    10,596.44/15,899.16 = 5,328.67/x
  3. Step 3: Cross multiply
    10,596.44x = 15,899.16 × 5,328.67
  4. Step 4: Simplify right side
    10,596.44x = 84,721,376.92
  5. Step 5: Solve for x
    x = 84,721,376.92/10,596.44
  6. Step 6: Final answer
    x = 7,995.27

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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.