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Finding the Fourth Proportional to 17,485.92, 26,182.80 and 13,384.80

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Solution

The fourth proportional to 17,485.92, 26,182.80 and 13,384.80 is: 20,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.92 : 26,182.80 = 13,384.80 : x
  2. Step 2: Convert to fraction form
    17,485.92/26,182.80 = 13,384.80/x
  3. Step 3: Cross multiply
    17,485.92x = 26,182.80 × 13,384.80
  4. Step 4: Simplify right side
    17,485.92x = 350,451,541.44
  5. Step 5: Solve for x
    x = 350,451,541.44/17,485.92
  6. Step 6: Final answer
    x = 20,041.93

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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.