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Finding the Fourth Proportional to 17,703.55, 26,555.28 and 4,554.82

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Solution

The fourth proportional to 17,703.55, 26,555.28 and 4,554.82 is: 6,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.55 : 26,555.28 = 4,554.82 : x
  2. Step 2: Convert to fraction form
    17,703.55/26,555.28 = 4,554.82/x
  3. Step 3: Cross multiply
    17,703.55x = 26,555.28 × 4,554.82
  4. Step 4: Simplify right side
    17,703.55x = 120,954,520.45
  5. Step 5: Solve for x
    x = 120,954,520.45/17,703.55
  6. Step 6: Final answer
    x = 6,832.22

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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.