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Finding the Fourth Proportional to 14,905.94, 20,556.06 and 9,792.46

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Solution

The fourth proportional to 14,905.94, 20,556.06 and 9,792.46 is: 13,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.94 : 20,556.06 = 9,792.46 : x
  2. Step 2: Convert to fraction form
    14,905.94/20,556.06 = 9,792.46/x
  3. Step 3: Cross multiply
    14,905.94x = 20,556.06 × 9,792.46
  4. Step 4: Simplify right side
    14,905.94x = 201,294,439.36
  5. Step 5: Solve for x
    x = 201,294,439.36/14,905.94
  6. Step 6: Final answer
    x = 13,504.31

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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.