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Finding the Fourth Proportional to 22,424.03, 33,636.98 and 8,382.64

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Solution

The fourth proportional to 22,424.03, 33,636.98 and 8,382.64 is: 12,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424.03 : 33,636.98 = 8,382.64 : x
  2. Step 2: Convert to fraction form
    22,424.03/33,636.98 = 8,382.64/x
  3. Step 3: Cross multiply
    22,424.03x = 33,636.98 × 8,382.64
  4. Step 4: Simplify right side
    22,424.03x = 281,966,483.93
  5. Step 5: Solve for x
    x = 281,966,483.93/22,424.03
  6. Step 6: Final answer
    x = 12,574.30

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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.