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Finding the Fourth Proportional to 26,698.80, 36,845.12 and 14,599.99

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Solution

The fourth proportional to 26,698.80, 36,845.12 and 14,599.99 is: 20,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,698.80 : 36,845.12 = 14,599.99 : x
  2. Step 2: Convert to fraction form
    26,698.80/36,845.12 = 14,599.99/x
  3. Step 3: Cross multiply
    26,698.80x = 36,845.12 × 14,599.99
  4. Step 4: Simplify right side
    26,698.80x = 537,938,383.55
  5. Step 5: Solve for x
    x = 537,938,383.55/26,698.80
  6. Step 6: Final answer
    x = 20,148.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.