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Finding the Fourth Proportional to 4,664,060.94, 6,432,978.02 and 3,091,348.47

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Solution

The fourth proportional to 4,664,060.94, 6,432,978.02 and 3,091,348.47 is: 4,263,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664,060.94 : 6,432,978.02 = 3,091,348.47 : x
  2. Step 2: Convert to fraction form
    4,664,060.94/6,432,978.02 = 3,091,348.47/x
  3. Step 3: Cross multiply
    4,664,060.94x = 6,432,978.02 × 3,091,348.47
  4. Step 4: Simplify right side
    4,664,060.94x = 19,886,576,744,213.89
  5. Step 5: Solve for x
    x = 19,886,576,744,213.89/4,664,060.94
  6. Step 6: Final answer
    x = 4,263,790.07

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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.