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Finding the Fourth Proportional to 9,361,478.80, 14,026,471.80 and 8,007,288.40

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Solution

The fourth proportional to 9,361,478.80, 14,026,471.80 and 8,007,288.40 is: 11,997,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,478.80 : 14,026,471.80 = 8,007,288.40 : x
  2. Step 2: Convert to fraction form
    9,361,478.80/14,026,471.80 = 8,007,288.40/x
  3. Step 3: Cross multiply
    9,361,478.80x = 14,026,471.80 × 8,007,288.40
  4. Step 4: Simplify right side
    9,361,478.80x = 112,314,004,937,067.12
  5. Step 5: Solve for x
    x = 112,314,004,937,067.12/9,361,478.80
  6. Step 6: Final answer
    x = 11,997,464.01

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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.