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Finding the Fourth Proportional to 18,058.60, 24,927.78 and 10,984.60

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Solution

The fourth proportional to 18,058.60, 24,927.78 and 10,984.60 is: 15,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.60 : 24,927.78 = 10,984.60 : x
  2. Step 2: Convert to fraction form
    18,058.60/24,927.78 = 10,984.60/x
  3. Step 3: Cross multiply
    18,058.60x = 24,927.78 × 10,984.60
  4. Step 4: Simplify right side
    18,058.60x = 273,821,692.19
  5. Step 5: Solve for x
    x = 273,821,692.19/18,058.60
  6. Step 6: Final answer
    x = 15,162.95

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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.