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Finding the Fourth Proportional to 12,262.60, 18,372.30 and 10,059.40

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Solution

The fourth proportional to 12,262.60, 18,372.30 and 10,059.40 is: 15,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.60 : 18,372.30 = 10,059.40 : x
  2. Step 2: Convert to fraction form
    12,262.60/18,372.30 = 10,059.40/x
  3. Step 3: Cross multiply
    12,262.60x = 18,372.30 × 10,059.40
  4. Step 4: Simplify right side
    12,262.60x = 184,814,314.62
  5. Step 5: Solve for x
    x = 184,814,314.62/12,262.60
  6. Step 6: Final answer
    x = 15,071.38

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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.