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Finding the Fourth Proportional to 8,879,510.36, 12,253,724.34 and 4,805,129.40

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Solution

The fourth proportional to 8,879,510.36, 12,253,724.34 and 4,805,129.40 is: 6,631,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879,510.36 : 12,253,724.34 = 4,805,129.40 : x
  2. Step 2: Convert to fraction form
    8,879,510.36/12,253,724.34 = 4,805,129.40/x
  3. Step 3: Cross multiply
    8,879,510.36x = 12,253,724.34 × 4,805,129.40
  4. Step 4: Simplify right side
    8,879,510.36x = 58,880,731,085,629.60
  5. Step 5: Solve for x
    x = 58,880,731,085,629.60/8,879,510.36
  6. Step 6: Final answer
    x = 6,631,078.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.