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Finding the Fourth Proportional to 16,817,859.80, 23,560,946.95 and 16,817,859.80

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Solution

The fourth proportional to 16,817,859.80, 23,560,946.95 and 16,817,859.80 is: 23,560,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817,859.80 : 23,560,946.95 = 16,817,859.80 : x
  2. Step 2: Convert to fraction form
    16,817,859.80/23,560,946.95 = 16,817,859.80/x
  3. Step 3: Cross multiply
    16,817,859.80x = 23,560,946.95 × 16,817,859.80
  4. Step 4: Simplify right side
    16,817,859.80x = 396,244,702,560,337.62
  5. Step 5: Solve for x
    x = 396,244,702,560,337.62/16,817,859.80
  6. Step 6: Final answer
    x = 23,560,946.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.