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Finding the Fourth Proportional to 22,453.47, 33,661.94 and 8,405.63

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Solution

The fourth proportional to 22,453.47, 33,661.94 and 8,405.63 is: 12,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.47 : 33,661.94 = 8,405.63 : x
  2. Step 2: Convert to fraction form
    22,453.47/33,661.94 = 8,405.63/x
  3. Step 3: Cross multiply
    22,453.47x = 33,661.94 × 8,405.63
  4. Step 4: Simplify right side
    22,453.47x = 282,949,602.38
  5. Step 5: Solve for x
    x = 282,949,602.38/22,453.47
  6. Step 6: Final answer
    x = 12,601.60

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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.