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Finding the Fourth Proportional to 17,085.56, 25,628.40 and 4,773.56

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Solution

The fourth proportional to 17,085.56, 25,628.40 and 4,773.56 is: 7,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.56 : 25,628.40 = 4,773.56 : x
  2. Step 2: Convert to fraction form
    17,085.56/25,628.40 = 4,773.56/x
  3. Step 3: Cross multiply
    17,085.56x = 25,628.40 × 4,773.56
  4. Step 4: Simplify right side
    17,085.56x = 122,338,705.10
  5. Step 5: Solve for x
    x = 122,338,705.10/17,085.56
  6. Step 6: Final answer
    x = 7,160.36

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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.