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Finding the Fourth Proportional to 7,213.69, 10,820.54 and 2,596.69

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Solution

The fourth proportional to 7,213.69, 10,820.54 and 2,596.69 is: 3,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.69 : 10,820.54 = 2,596.69 : x
  2. Step 2: Convert to fraction form
    7,213.69/10,820.54 = 2,596.69/x
  3. Step 3: Cross multiply
    7,213.69x = 10,820.54 × 2,596.69
  4. Step 4: Simplify right side
    7,213.69x = 28,097,547.98
  5. Step 5: Solve for x
    x = 28,097,547.98/7,213.69
  6. Step 6: Final answer
    x = 3,895.03

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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.