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Finding the Fourth Proportional to 38,961,709.80, 58,442,564.70 and 16,258,900.20

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Solution

The fourth proportional to 38,961,709.80, 58,442,564.70 and 16,258,900.20 is: 24,388,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961,709.80 : 58,442,564.70 = 16,258,900.20 : x
  2. Step 2: Convert to fraction form
    38,961,709.80/58,442,564.70 = 16,258,900.20/x
  3. Step 3: Cross multiply
    38,961,709.80x = 58,442,564.70 × 16,258,900.20
  4. Step 4: Simplify right side
    38,961,709.80x = 950,211,826,889,343
  5. Step 5: Solve for x
    x = 950,211,826,889,343/38,961,709.80
  6. Step 6: Final answer
    x = 24,388,350.30

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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.