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Finding the Fourth Proportional to 14,940.41, 22,405.39 and 4,407.63

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Solution

The fourth proportional to 14,940.41, 22,405.39 and 4,407.63 is: 6,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.41 : 22,405.39 = 4,407.63 : x
  2. Step 2: Convert to fraction form
    14,940.41/22,405.39 = 4,407.63/x
  3. Step 3: Cross multiply
    14,940.41x = 22,405.39 × 4,407.63
  4. Step 4: Simplify right side
    14,940.41x = 98,754,669.13
  5. Step 5: Solve for x
    x = 98,754,669.13/14,940.41
  6. Step 6: Final answer
    x = 6,609.90

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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.