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Finding the Fourth Proportional to 7,008.63, 10,513.21 and 2,391.63

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Solution

The fourth proportional to 7,008.63, 10,513.21 and 2,391.63 is: 3,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.63 : 10,513.21 = 2,391.63 : x
  2. Step 2: Convert to fraction form
    7,008.63/10,513.21 = 2,391.63/x
  3. Step 3: Cross multiply
    7,008.63x = 10,513.21 × 2,391.63
  4. Step 4: Simplify right side
    7,008.63x = 25,143,655.87
  5. Step 5: Solve for x
    x = 25,143,655.87/7,008.63
  6. Step 6: Final answer
    x = 3,587.53

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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.