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Finding the Fourth Proportional to 34,512.86, 47,629.44 and 19,410.28

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Solution

The fourth proportional to 34,512.86, 47,629.44 and 19,410.28 is: 26,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.86 : 47,629.44 = 19,410.28 : x
  2. Step 2: Convert to fraction form
    34,512.86/47,629.44 = 19,410.28/x
  3. Step 3: Cross multiply
    34,512.86x = 47,629.44 × 19,410.28
  4. Step 4: Simplify right side
    34,512.86x = 924,500,766.64
  5. Step 5: Solve for x
    x = 924,500,766.64/34,512.86
  6. Step 6: Final answer
    x = 26,787.14

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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.