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Finding the Fourth Proportional to 10,059.90, 15,096.78 and 4,519.47

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Solution

The fourth proportional to 10,059.90, 15,096.78 and 4,519.47 is: 6,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.90 : 15,096.78 = 4,519.47 : x
  2. Step 2: Convert to fraction form
    10,059.90/15,096.78 = 4,519.47/x
  3. Step 3: Cross multiply
    10,059.90x = 15,096.78 × 4,519.47
  4. Step 4: Simplify right side
    10,059.90x = 68,229,444.31
  5. Step 5: Solve for x
    x = 68,229,444.31/10,059.90
  6. Step 6: Final answer
    x = 6,782.32

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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.