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Finding the Fourth Proportional to 9,360,964.05, 14,041,446.08 and 7,765,328.85

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Solution

The fourth proportional to 9,360,964.05, 14,041,446.08 and 7,765,328.85 is: 11,647,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360,964.05 : 14,041,446.08 = 7,765,328.85 : x
  2. Step 2: Convert to fraction form
    9,360,964.05/14,041,446.08 = 7,765,328.85/x
  3. Step 3: Cross multiply
    9,360,964.05x = 14,041,446.08 × 7,765,328.85
  4. Step 4: Simplify right side
    9,360,964.05x = 109,036,446,301,916.75
  5. Step 5: Solve for x
    x = 109,036,446,301,916.75/9,360,964.05
  6. Step 6: Final answer
    x = 11,647,993.28

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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.