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Finding the Fourth Proportional to 18,852.73, 28,282.20 and 6,373.51

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Solution

The fourth proportional to 18,852.73, 28,282.20 and 6,373.51 is: 9,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.73 : 28,282.20 = 6,373.51 : x
  2. Step 2: Convert to fraction form
    18,852.73/28,282.20 = 6,373.51/x
  3. Step 3: Cross multiply
    18,852.73x = 28,282.20 × 6,373.51
  4. Step 4: Simplify right side
    18,852.73x = 180,256,884.52
  5. Step 5: Solve for x
    x = 180,256,884.52/18,852.73
  6. Step 6: Final answer
    x = 9,561.31

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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.