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Finding the Fourth Proportional to 14,151.52, 21,227.44 and 4,917.60

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Solution

The fourth proportional to 14,151.52, 21,227.44 and 4,917.60 is: 7,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.52 : 21,227.44 = 4,917.60 : x
  2. Step 2: Convert to fraction form
    14,151.52/21,227.44 = 4,917.60/x
  3. Step 3: Cross multiply
    14,151.52x = 21,227.44 × 4,917.60
  4. Step 4: Simplify right side
    14,151.52x = 104,388,058.94
  5. Step 5: Solve for x
    x = 104,388,058.94/14,151.52
  6. Step 6: Final answer
    x = 7,376.46

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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.