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Finding the Fourth Proportional to 34,368,490.80, 51,551,569.80 and 8,809,750.80

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Solution

The fourth proportional to 34,368,490.80, 51,551,569.80 and 8,809,750.80 is: 13,214,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,368,490.80 : 51,551,569.80 = 8,809,750.80 : x
  2. Step 2: Convert to fraction form
    34,368,490.80/51,551,569.80 = 8,809,750.80/x
  3. Step 3: Cross multiply
    34,368,490.80x = 51,551,569.80 × 8,809,750.80
  4. Step 4: Simplify right side
    34,368,490.80x = 454,156,483,286,805.88
  5. Step 5: Solve for x
    x = 454,156,483,286,805.88/34,368,490.80
  6. Step 6: Final answer
    x = 13,214,327.21

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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.