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Finding the Fourth Proportional to 5,376,657.90, 8,064,986.85 and 2,010,168.30

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Solution

The fourth proportional to 5,376,657.90, 8,064,986.85 and 2,010,168.30 is: 3,015,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,657.90 : 8,064,986.85 = 2,010,168.30 : x
  2. Step 2: Convert to fraction form
    5,376,657.90/8,064,986.85 = 2,010,168.30/x
  3. Step 3: Cross multiply
    5,376,657.90x = 8,064,986.85 × 2,010,168.30
  4. Step 4: Simplify right side
    5,376,657.90x = 16,211,980,905,786.86
  5. Step 5: Solve for x
    x = 16,211,980,905,786.86/5,376,657.90
  6. Step 6: Final answer
    x = 3,015,252.45

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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.