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Finding the Fourth Proportional to 6,672.40, 10,010.16 and 2,774.64

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Solution

The fourth proportional to 6,672.40, 10,010.16 and 2,774.64 is: 4,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.40 : 10,010.16 = 2,774.64 : x
  2. Step 2: Convert to fraction form
    6,672.40/10,010.16 = 2,774.64/x
  3. Step 3: Cross multiply
    6,672.40x = 10,010.16 × 2,774.64
  4. Step 4: Simplify right side
    6,672.40x = 27,774,590.34
  5. Step 5: Solve for x
    x = 27,774,590.34/6,672.40
  6. Step 6: Final answer
    x = 4,162.61

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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.