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Finding the Fourth Proportional to 8,889,230.76, 12,267,138.84 and 4,814,849.76

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Solution

The fourth proportional to 8,889,230.76, 12,267,138.84 and 4,814,849.76 is: 6,644,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,230.76 : 12,267,138.84 = 4,814,849.76 : x
  2. Step 2: Convert to fraction form
    8,889,230.76/12,267,138.84 = 4,814,849.76/x
  3. Step 3: Cross multiply
    8,889,230.76x = 12,267,138.84 × 4,814,849.76
  4. Step 4: Simplify right side
    8,889,230.76x = 59,064,430,499,660.67
  5. Step 5: Solve for x
    x = 59,064,430,499,660.67/8,889,230.76
  6. Step 6: Final answer
    x = 6,644,492.88

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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.