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Finding the Fourth Proportional to 4,886,364.94, 6,743,272.77 and 2,681,341.51

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Solution

The fourth proportional to 4,886,364.94, 6,743,272.77 and 2,681,341.51 is: 3,700,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,364.94 : 6,743,272.77 = 2,681,341.51 : x
  2. Step 2: Convert to fraction form
    4,886,364.94/6,743,272.77 = 2,681,341.51/x
  3. Step 3: Cross multiply
    4,886,364.94x = 6,743,272.77 × 2,681,341.51
  4. Step 4: Simplify right side
    4,886,364.94x = 18,081,017,191,453.68
  5. Step 5: Solve for x
    x = 18,081,017,191,453.68/4,886,364.94
  6. Step 6: Final answer
    x = 3,700,300.21

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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.