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Finding the Fourth Proportional to 34,993,277.80, 52,489,916.70 and 9,436,870.60

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Solution

The fourth proportional to 34,993,277.80, 52,489,916.70 and 9,436,870.60 is: 14,155,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993,277.80 : 52,489,916.70 = 9,436,870.60 : x
  2. Step 2: Convert to fraction form
    34,993,277.80/52,489,916.70 = 9,436,870.60/x
  3. Step 3: Cross multiply
    34,993,277.80x = 52,489,916.70 × 9,436,870.60
  4. Step 4: Simplify right side
    34,993,277.80x = 495,340,551,702,679
  5. Step 5: Solve for x
    x = 495,340,551,702,679/34,993,277.80
  6. Step 6: Final answer
    x = 14,155,305.90

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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.