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Finding the Fourth Proportional to 30,352.64, 41,885.71 and 19,028.23

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Solution

The fourth proportional to 30,352.64, 41,885.71 and 19,028.23 is: 26,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.64 : 41,885.71 = 19,028.23 : x
  2. Step 2: Convert to fraction form
    30,352.64/41,885.71 = 19,028.23/x
  3. Step 3: Cross multiply
    30,352.64x = 41,885.71 × 19,028.23
  4. Step 4: Simplify right side
    30,352.64x = 797,010,771.31
  5. Step 5: Solve for x
    x = 797,010,771.31/30,352.64
  6. Step 6: Final answer
    x = 26,258.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.