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Finding the Fourth Proportional to 8,320,072, 12,480,108 and 2,016,328

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Solution

The fourth proportional to 8,320,072, 12,480,108 and 2,016,328 is: 3,024,492

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,072 : 12,480,108 = 2,016,328 : x
  2. Step 2: Convert to fraction form
    8,320,072/12,480,108 = 2,016,328/x
  3. Step 3: Cross multiply
    8,320,072x = 12,480,108 × 2,016,328
  4. Step 4: Simplify right side
    8,320,072x = 25,163,991,203,424
  5. Step 5: Solve for x
    x = 25,163,991,203,424/8,320,072
  6. Step 6: Final answer
    x = 3,024,492

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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.