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Finding the Fourth Proportional to 22,692.34, 31,313.03 and 12,619.16

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Solution

The fourth proportional to 22,692.34, 31,313.03 and 12,619.16 is: 17,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.34 : 31,313.03 = 12,619.16 : x
  2. Step 2: Convert to fraction form
    22,692.34/31,313.03 = 12,619.16/x
  3. Step 3: Cross multiply
    22,692.34x = 31,313.03 × 12,619.16
  4. Step 4: Simplify right side
    22,692.34x = 395,144,135.65
  5. Step 5: Solve for x
    x = 395,144,135.65/22,692.34
  6. Step 6: Final answer
    x = 17,413.11

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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.