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Finding the Fourth Proportional to 12,753.08, 17,599.65 and 7,718.22

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Solution

The fourth proportional to 12,753.08, 17,599.65 and 7,718.22 is: 10,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.08 : 17,599.65 = 7,718.22 : x
  2. Step 2: Convert to fraction form
    12,753.08/17,599.65 = 7,718.22/x
  3. Step 3: Cross multiply
    12,753.08x = 17,599.65 × 7,718.22
  4. Step 4: Simplify right side
    12,753.08x = 135,837,941.68
  5. Step 5: Solve for x
    x = 135,837,941.68/12,753.08
  6. Step 6: Final answer
    x = 10,651.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.