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Finding the Fourth Proportional to 34,783,578.80, 52,159,621.80 and 13,211,010.80

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Solution

The fourth proportional to 34,783,578.80, 52,159,621.80 and 13,211,010.80 is: 19,810,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,783,578.80 : 52,159,621.80 = 13,211,010.80 : x
  2. Step 2: Convert to fraction form
    34,783,578.80/52,159,621.80 = 13,211,010.80/x
  3. Step 3: Cross multiply
    34,783,578.80x = 52,159,621.80 × 13,211,010.80
  4. Step 4: Simplify right side
    34,783,578.80x = 689,081,326,923,715.50
  5. Step 5: Solve for x
    x = 689,081,326,923,715.50/34,783,578.80
  6. Step 6: Final answer
    x = 19,810,535.62

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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.