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Finding the Fourth Proportional to 19,961,384.80, 29,900,086.80 and 16,602,152.80

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Solution

The fourth proportional to 19,961,384.80, 29,900,086.80 and 16,602,152.80 is: 24,868,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961,384.80 : 29,900,086.80 = 16,602,152.80 : x
  2. Step 2: Convert to fraction form
    19,961,384.80/29,900,086.80 = 16,602,152.80/x
  3. Step 3: Cross multiply
    19,961,384.80x = 29,900,086.80 × 16,602,152.80
  4. Step 4: Simplify right side
    19,961,384.80x = 496,405,809,786,863.06
  5. Step 5: Solve for x
    x = 496,405,809,786,863.06/19,961,384.80
  6. Step 6: Final answer
    x = 24,868,305.22

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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.