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Finding the Fourth Proportional to 13,349.80, 18,426.52 and 8,044.94

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Solution

The fourth proportional to 13,349.80, 18,426.52 and 8,044.94 is: 11,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.80 : 18,426.52 = 8,044.94 : x
  2. Step 2: Convert to fraction form
    13,349.80/18,426.52 = 8,044.94/x
  3. Step 3: Cross multiply
    13,349.80x = 18,426.52 × 8,044.94
  4. Step 4: Simplify right side
    13,349.80x = 148,240,247.81
  5. Step 5: Solve for x
    x = 148,240,247.81/13,349.80
  6. Step 6: Final answer
    x = 11,104.30

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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.