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Finding the Fourth Proportional to 9,978,295.04, 14,965,154.41 and 2,790,334.08

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Solution

The fourth proportional to 9,978,295.04, 14,965,154.41 and 2,790,334.08 is: 4,184,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,295.04 : 14,965,154.41 = 2,790,334.08 : x
  2. Step 2: Convert to fraction form
    9,978,295.04/14,965,154.41 = 2,790,334.08/x
  3. Step 3: Cross multiply
    9,978,295.04x = 14,965,154.41 × 2,790,334.08
  4. Step 4: Simplify right side
    9,978,295.04x = 41,757,780,348,733.62
  5. Step 5: Solve for x
    x = 41,757,780,348,733.62/9,978,295.04
  6. Step 6: Final answer
    x = 4,184,861.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.