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Finding the Fourth Proportional to 19,242.08, 26,548.80 and 11,682.08

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Solution

The fourth proportional to 19,242.08, 26,548.80 and 11,682.08 is: 16,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.08 : 26,548.80 = 11,682.08 : x
  2. Step 2: Convert to fraction form
    19,242.08/26,548.80 = 11,682.08/x
  3. Step 3: Cross multiply
    19,242.08x = 26,548.80 × 11,682.08
  4. Step 4: Simplify right side
    19,242.08x = 310,145,205.50
  5. Step 5: Solve for x
    x = 310,145,205.50/19,242.08
  6. Step 6: Final answer
    x = 16,118.07

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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.