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Finding the Fourth Proportional to 19,800.17, 27,323.60 and 10,847.60

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Solution

The fourth proportional to 19,800.17, 27,323.60 and 10,847.60 is: 14,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.17 : 27,323.60 = 10,847.60 : x
  2. Step 2: Convert to fraction form
    19,800.17/27,323.60 = 10,847.60/x
  3. Step 3: Cross multiply
    19,800.17x = 27,323.60 × 10,847.60
  4. Step 4: Simplify right side
    19,800.17x = 296,395,409.65
  5. Step 5: Solve for x
    x = 296,395,409.65/19,800.17
  6. Step 6: Final answer
    x = 14,969.34

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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.