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Finding the Fourth Proportional to 26,828.80, 40,166.40 and 16,460.80

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Solution

The fourth proportional to 26,828.80, 40,166.40 and 16,460.80 is: 24,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.80 : 40,166.40 = 16,460.80 : x
  2. Step 2: Convert to fraction form
    26,828.80/40,166.40 = 16,460.80/x
  3. Step 3: Cross multiply
    26,828.80x = 40,166.40 × 16,460.80
  4. Step 4: Simplify right side
    26,828.80x = 661,171,077.12
  5. Step 5: Solve for x
    x = 661,171,077.12/26,828.80
  6. Step 6: Final answer
    x = 24,644.08

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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.