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Finding the Fourth Proportional to 17,927.20, 26,858.40 and 15,853.60

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Solution

The fourth proportional to 17,927.20, 26,858.40 and 15,853.60 is: 23,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.20 : 26,858.40 = 15,853.60 : x
  2. Step 2: Convert to fraction form
    17,927.20/26,858.40 = 15,853.60/x
  3. Step 3: Cross multiply
    17,927.20x = 26,858.40 × 15,853.60
  4. Step 4: Simplify right side
    17,927.20x = 425,802,330.24
  5. Step 5: Solve for x
    x = 425,802,330.24/17,927.20
  6. Step 6: Final answer
    x = 23,751.75

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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.