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Finding the Fourth Proportional to 18,323.25, 27,483.50 and 5,842.77

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Solution

The fourth proportional to 18,323.25, 27,483.50 and 5,842.77 is: 8,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.25 : 27,483.50 = 5,842.77 : x
  2. Step 2: Convert to fraction form
    18,323.25/27,483.50 = 5,842.77/x
  3. Step 3: Cross multiply
    18,323.25x = 27,483.50 × 5,842.77
  4. Step 4: Simplify right side
    18,323.25x = 160,579,740.08
  5. Step 5: Solve for x
    x = 160,579,740.08/18,323.25
  6. Step 6: Final answer
    x = 8,763.71

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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.