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Finding the Fourth Proportional to 12,700.28, 19,050.42 and 3,466.28

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Solution

The fourth proportional to 12,700.28, 19,050.42 and 3,466.28 is: 5,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.28 : 19,050.42 = 3,466.28 : x
  2. Step 2: Convert to fraction form
    12,700.28/19,050.42 = 3,466.28/x
  3. Step 3: Cross multiply
    12,700.28x = 19,050.42 × 3,466.28
  4. Step 4: Simplify right side
    12,700.28x = 66,034,089.84
  5. Step 5: Solve for x
    x = 66,034,089.84/12,700.28
  6. Step 6: Final answer
    x = 5,199.42

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Similar ratio
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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.