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Finding the Fourth Proportional to 6,168,873.95, 8,513,312.08 and 3,415,561.43

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Solution

The fourth proportional to 6,168,873.95, 8,513,312.08 and 3,415,561.43 is: 4,713,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168,873.95 : 8,513,312.08 = 3,415,561.43 : x
  2. Step 2: Convert to fraction form
    6,168,873.95/8,513,312.08 = 3,415,561.43/x
  3. Step 3: Cross multiply
    6,168,873.95x = 8,513,312.08 × 3,415,561.43
  4. Step 4: Simplify right side
    6,168,873.95x = 29,077,740,394,745.45
  5. Step 5: Solve for x
    x = 29,077,740,394,745.45/6,168,873.95
  6. Step 6: Final answer
    x = 4,713,622.07

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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.