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Finding the Fourth Proportional to 17,916,601.20, 26,874,901.80 and 11,114,156.40

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Solution

The fourth proportional to 17,916,601.20, 26,874,901.80 and 11,114,156.40 is: 16,671,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916,601.20 : 26,874,901.80 = 11,114,156.40 : x
  2. Step 2: Convert to fraction form
    17,916,601.20/26,874,901.80 = 11,114,156.40/x
  3. Step 3: Cross multiply
    17,916,601.20x = 26,874,901.80 × 11,114,156.40
  4. Step 4: Simplify right side
    17,916,601.20x = 298,691,861,839,841.56
  5. Step 5: Solve for x
    x = 298,691,861,839,841.56/17,916,601.20
  6. Step 6: Final answer
    x = 16,671,234.60

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1.5x scale

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.