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Finding the Fourth Proportional to 7,263.30, 10,895.76 and 2,645.22

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Solution

The fourth proportional to 7,263.30, 10,895.76 and 2,645.22 is: 3,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263.30 : 10,895.76 = 2,645.22 : x
  2. Step 2: Convert to fraction form
    7,263.30/10,895.76 = 2,645.22/x
  3. Step 3: Cross multiply
    7,263.30x = 10,895.76 × 2,645.22
  4. Step 4: Simplify right side
    7,263.30x = 28,821,682.27
  5. Step 5: Solve for x
    x = 28,821,682.27/7,263.30
  6. Step 6: Final answer
    x = 3,968.12

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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.