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Finding the Fourth Proportional to 17,675.68, 26,518.96 and 8,907.64

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Solution

The fourth proportional to 17,675.68, 26,518.96 and 8,907.64 is: 13,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,675.68 : 26,518.96 = 8,907.64 : x
  2. Step 2: Convert to fraction form
    17,675.68/26,518.96 = 8,907.64/x
  3. Step 3: Cross multiply
    17,675.68x = 26,518.96 × 8,907.64
  4. Step 4: Simplify right side
    17,675.68x = 236,221,348.85
  5. Step 5: Solve for x
    x = 236,221,348.85/17,675.68
  6. Step 6: Final answer
    x = 13,364.20

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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.