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Finding the Fourth Proportional to 40,152.63, 60,228.96 and 12,450.63

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Solution

The fourth proportional to 40,152.63, 60,228.96 and 12,450.63 is: 18,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.63 : 60,228.96 = 12,450.63 : x
  2. Step 2: Convert to fraction form
    40,152.63/60,228.96 = 12,450.63/x
  3. Step 3: Cross multiply
    40,152.63x = 60,228.96 × 12,450.63
  4. Step 4: Simplify right side
    40,152.63x = 749,888,496.24
  5. Step 5: Solve for x
    x = 749,888,496.24/40,152.63
  6. Step 6: Final answer
    x = 18,675.95

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Double scale
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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.