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Finding the Fourth Proportional to 14,674,910.80, 21,993,703.80 and 13,069,944.40

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Solution

The fourth proportional to 14,674,910.80, 21,993,703.80 and 13,069,944.40 is: 19,588,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674,910.80 : 21,993,703.80 = 13,069,944.40 : x
  2. Step 2: Convert to fraction form
    14,674,910.80/21,993,703.80 = 13,069,944.40/x
  3. Step 3: Cross multiply
    14,674,910.80x = 21,993,703.80 × 13,069,944.40
  4. Step 4: Simplify right side
    14,674,910.80x = 287,456,485,816,068.75
  5. Step 5: Solve for x
    x = 287,456,485,816,068.75/14,674,910.80
  6. Step 6: Final answer
    x = 19,588,295.27

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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.