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Finding the Fourth Proportional to 14,694.60, 20,601.60 and 14,694.60

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Solution

The fourth proportional to 14,694.60, 20,601.60 and 14,694.60 is: 20,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.60 : 20,601.60 = 14,694.60 : x
  2. Step 2: Convert to fraction form
    14,694.60/20,601.60 = 14,694.60/x
  3. Step 3: Cross multiply
    14,694.60x = 20,601.60 × 14,694.60
  4. Step 4: Simplify right side
    14,694.60x = 302,732,271.36
  5. Step 5: Solve for x
    x = 302,732,271.36/14,694.60
  6. Step 6: Final answer
    x = 20,601.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.