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Finding the Fourth Proportional to 4,874,689.50, 6,734,078.55 and 3,893,340.10

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Solution

The fourth proportional to 4,874,689.50, 6,734,078.55 and 3,893,340.10 is: 5,378,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874,689.50 : 6,734,078.55 = 3,893,340.10 : x
  2. Step 2: Convert to fraction form
    4,874,689.50/6,734,078.55 = 3,893,340.10/x
  3. Step 3: Cross multiply
    4,874,689.50x = 6,734,078.55 × 3,893,340.10
  4. Step 4: Simplify right side
    4,874,689.50x = 26,218,058,021,594.46
  5. Step 5: Solve for x
    x = 26,218,058,021,594.46/4,874,689.50
  6. Step 6: Final answer
    x = 5,378,405.75

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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.