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Finding the Fourth Proportional to 34,028.60, 46,959.60 and 18,922.64

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Solution

The fourth proportional to 34,028.60, 46,959.60 and 18,922.64 is: 26,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,028.60 : 46,959.60 = 18,922.64 : x
  2. Step 2: Convert to fraction form
    34,028.60/46,959.60 = 18,922.64/x
  3. Step 3: Cross multiply
    34,028.60x = 46,959.60 × 18,922.64
  4. Step 4: Simplify right side
    34,028.60x = 888,599,605.34
  5. Step 5: Solve for x
    x = 888,599,605.34/34,028.60
  6. Step 6: Final answer
    x = 26,113.32

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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.