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Finding the Fourth Proportional to 13,250.80, 19,874.04 and 4,484.80

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Solution

The fourth proportional to 13,250.80, 19,874.04 and 4,484.80 is: 6,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.80 : 19,874.04 = 4,484.80 : x
  2. Step 2: Convert to fraction form
    13,250.80/19,874.04 = 4,484.80/x
  3. Step 3: Cross multiply
    13,250.80x = 19,874.04 × 4,484.80
  4. Step 4: Simplify right side
    13,250.80x = 89,131,094.59
  5. Step 5: Solve for x
    x = 89,131,094.59/13,250.80
  6. Step 6: Final answer
    x = 6,726.47

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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.