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Finding the Fourth Proportional to 14,349.50, 19,801.77 and 7,976.48

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Solution

The fourth proportional to 14,349.50, 19,801.77 and 7,976.48 is: 11,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.50 : 19,801.77 = 7,976.48 : x
  2. Step 2: Convert to fraction form
    14,349.50/19,801.77 = 7,976.48/x
  3. Step 3: Cross multiply
    14,349.50x = 19,801.77 × 7,976.48
  4. Step 4: Simplify right side
    14,349.50x = 157,948,422.37
  5. Step 5: Solve for x
    x = 157,948,422.37/14,349.50
  6. Step 6: Final answer
    x = 11,007.24

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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.