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Finding the Fourth Proportional to 18,274.80, 27,413.10 and 9,526.80

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Solution

The fourth proportional to 18,274.80, 27,413.10 and 9,526.80 is: 14,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.80 : 27,413.10 = 9,526.80 : x
  2. Step 2: Convert to fraction form
    18,274.80/27,413.10 = 9,526.80/x
  3. Step 3: Cross multiply
    18,274.80x = 27,413.10 × 9,526.80
  4. Step 4: Simplify right side
    18,274.80x = 261,159,121.08
  5. Step 5: Solve for x
    x = 261,159,121.08/18,274.80
  6. Step 6: Final answer
    x = 14,290.67

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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.