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Finding the Fourth Proportional to 13,382,894.70, 20,074,342.05 and 9,631,752.30

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Solution

The fourth proportional to 13,382,894.70, 20,074,342.05 and 9,631,752.30 is: 14,447,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,894.70 : 20,074,342.05 = 9,631,752.30 : x
  2. Step 2: Convert to fraction form
    13,382,894.70/20,074,342.05 = 9,631,752.30/x
  3. Step 3: Cross multiply
    13,382,894.70x = 20,074,342.05 × 9,631,752.30
  4. Step 4: Simplify right side
    13,382,894.70x = 193,351,090,211,074.25
  5. Step 5: Solve for x
    x = 193,351,090,211,074.25/13,382,894.70
  6. Step 6: Final answer
    x = 14,447,628.45

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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.