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Finding the Fourth Proportional to 12,967.41, 19,451.13 and 3,607.43

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Solution

The fourth proportional to 12,967.41, 19,451.13 and 3,607.43 is: 5,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.41 : 19,451.13 = 3,607.43 : x
  2. Step 2: Convert to fraction form
    12,967.41/19,451.13 = 3,607.43/x
  3. Step 3: Cross multiply
    12,967.41x = 19,451.13 × 3,607.43
  4. Step 4: Simplify right side
    12,967.41x = 70,168,492.64
  5. Step 5: Solve for x
    x = 70,168,492.64/12,967.41
  6. Step 6: Final answer
    x = 5,411.14

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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.