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Finding the Fourth Proportional to 16,804.93, 25,222.95 and 8,490.80

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Solution

The fourth proportional to 16,804.93, 25,222.95 and 8,490.80 is: 12,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.93 : 25,222.95 = 8,490.80 : x
  2. Step 2: Convert to fraction form
    16,804.93/25,222.95 = 8,490.80/x
  3. Step 3: Cross multiply
    16,804.93x = 25,222.95 × 8,490.80
  4. Step 4: Simplify right side
    16,804.93x = 214,162,897.75
  5. Step 5: Solve for x
    x = 214,162,897.75/16,804.93
  6. Step 6: Final answer
    x = 12,744.05

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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.