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Finding the Fourth Proportional to 17,775.30, 26,662.95 and 14,880.90

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Solution

The fourth proportional to 17,775.30, 26,662.95 and 14,880.90 is: 22,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.30 : 26,662.95 = 14,880.90 : x
  2. Step 2: Convert to fraction form
    17,775.30/26,662.95 = 14,880.90/x
  3. Step 3: Cross multiply
    17,775.30x = 26,662.95 × 14,880.90
  4. Step 4: Simplify right side
    17,775.30x = 396,768,692.66
  5. Step 5: Solve for x
    x = 396,768,692.66/17,775.30
  6. Step 6: Final answer
    x = 22,321.35

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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.