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Finding the Fourth Proportional to 6,483,885.95, 8,947,790.38 and 3,543,762.43

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Solution

The fourth proportional to 6,483,885.95, 8,947,790.38 and 3,543,762.43 is: 4,890,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483,885.95 : 8,947,790.38 = 3,543,762.43 : x
  2. Step 2: Convert to fraction form
    6,483,885.95/8,947,790.38 = 3,543,762.43/x
  3. Step 3: Cross multiply
    6,483,885.95x = 8,947,790.38 × 3,543,762.43
  4. Step 4: Simplify right side
    6,483,885.95x = 31,708,843,380,159.43
  5. Step 5: Solve for x
    x = 31,708,843,380,159.43/6,483,885.95
  6. Step 6: Final answer
    x = 4,890,407.33

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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.