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Finding the Fourth Proportional to 16,999.25, 25,498.86 and 6,466.78

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Solution

The fourth proportional to 16,999.25, 25,498.86 and 6,466.78 is: 9,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.25 : 25,498.86 = 6,466.78 : x
  2. Step 2: Convert to fraction form
    16,999.25/25,498.86 = 6,466.78/x
  3. Step 3: Cross multiply
    16,999.25x = 25,498.86 × 6,466.78
  4. Step 4: Simplify right side
    16,999.25x = 164,895,525.49
  5. Step 5: Solve for x
    x = 164,895,525.49/16,999.25
  6. Step 6: Final answer
    x = 9,700.17

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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.