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Finding the Fourth Proportional to 10,950,824.80, 16,407,574.80 and 9,345,858.40

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Solution

The fourth proportional to 10,950,824.80, 16,407,574.80 and 9,345,858.40 is: 14,002,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950,824.80 : 16,407,574.80 = 9,345,858.40 : x
  2. Step 2: Convert to fraction form
    10,950,824.80/16,407,574.80 = 9,345,858.40/x
  3. Step 3: Cross multiply
    10,950,824.80x = 16,407,574.80 × 9,345,858.40
  4. Step 4: Simplify right side
    10,950,824.80x = 153,342,870,768,208.34
  5. Step 5: Solve for x
    x = 153,342,870,768,208.34/10,950,824.80
  6. Step 6: Final answer
    x = 14,002,860.38

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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.