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Finding the Fourth Proportional to 6,364,680.67, 8,782,999.67 and 3,611,308.82

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Solution

The fourth proportional to 6,364,680.67, 8,782,999.67 and 3,611,308.82 is: 4,983,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364,680.67 : 8,782,999.67 = 3,611,308.82 : x
  2. Step 2: Convert to fraction form
    6,364,680.67/8,782,999.67 = 3,611,308.82/x
  3. Step 3: Cross multiply
    6,364,680.67x = 8,782,999.67 × 3,611,308.82
  4. Step 4: Simplify right side
    6,364,680.67x = 31,718,124,156,271.54
  5. Step 5: Solve for x
    x = 31,718,124,156,271.54/6,364,680.67
  6. Step 6: Final answer
    x = 4,983,458.85

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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.