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Finding the Fourth Proportional to 8,598,865.96, 12,896,696.56 and 2,763,152.85

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Solution

The fourth proportional to 8,598,865.96, 12,896,696.56 and 2,763,152.85 is: 4,144,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598,865.96 : 12,896,696.56 = 2,763,152.85 : x
  2. Step 2: Convert to fraction form
    8,598,865.96/12,896,696.56 = 2,763,152.85/x
  3. Step 3: Cross multiply
    8,598,865.96x = 12,896,696.56 × 2,763,152.85
  4. Step 4: Simplify right side
    8,598,865.96x = 35,635,543,855,349.20
  5. Step 5: Solve for x
    x = 35,635,543,855,349.20/8,598,865.96
  6. Step 6: Final answer
    x = 4,144,214.37

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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.