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Finding the Fourth Proportional to 6,672.88, 10,009.32 and 1,742.47

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Solution

The fourth proportional to 6,672.88, 10,009.32 and 1,742.47 is: 2,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.88 : 10,009.32 = 1,742.47 : x
  2. Step 2: Convert to fraction form
    6,672.88/10,009.32 = 1,742.47/x
  3. Step 3: Cross multiply
    6,672.88x = 10,009.32 × 1,742.47
  4. Step 4: Simplify right side
    6,672.88x = 17,440,939.82
  5. Step 5: Solve for x
    x = 17,440,939.82/6,672.88
  6. Step 6: Final answer
    x = 2,613.71

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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.