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Finding the Fourth Proportional to 26,604.80, 39,931.88 and 13,466.44

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Solution

The fourth proportional to 26,604.80, 39,931.88 and 13,466.44 is: 20,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,604.80 : 39,931.88 = 13,466.44 : x
  2. Step 2: Convert to fraction form
    26,604.80/39,931.88 = 13,466.44/x
  3. Step 3: Cross multiply
    26,604.80x = 39,931.88 × 13,466.44
  4. Step 4: Simplify right side
    26,604.80x = 537,740,266.11
  5. Step 5: Solve for x
    x = 537,740,266.11/26,604.80
  6. Step 6: Final answer
    x = 20,212.15

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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.