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Finding the Fourth Proportional to 60,576.75, 90,865.95 and 19,023.75

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Solution

The fourth proportional to 60,576.75, 90,865.95 and 19,023.75 is: 28,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,576.75 : 90,865.95 = 19,023.75 : x
  2. Step 2: Convert to fraction form
    60,576.75/90,865.95 = 19,023.75/x
  3. Step 3: Cross multiply
    60,576.75x = 90,865.95 × 19,023.75
  4. Step 4: Simplify right side
    60,576.75x = 1,728,611,116.31
  5. Step 5: Solve for x
    x = 1,728,611,116.31/60,576.75
  6. Step 6: Final answer
    x = 28,535.88

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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.