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Finding the Fourth Proportional to 45,295.13, 67,946.02 and 12,014.46

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Solution

The fourth proportional to 45,295.13, 67,946.02 and 12,014.46 is: 18,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,295.13 : 67,946.02 = 12,014.46 : x
  2. Step 2: Convert to fraction form
    45,295.13/67,946.02 = 12,014.46/x
  3. Step 3: Cross multiply
    45,295.13x = 67,946.02 × 12,014.46
  4. Step 4: Simplify right side
    45,295.13x = 816,334,709.41
  5. Step 5: Solve for x
    x = 816,334,709.41/45,295.13
  6. Step 6: Final answer
    x = 18,022.57

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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.