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Finding the Fourth Proportional to 14,506.68, 20,020.86 and 8,844.60

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Solution

The fourth proportional to 14,506.68, 20,020.86 and 8,844.60 is: 12,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.68 : 20,020.86 = 8,844.60 : x
  2. Step 2: Convert to fraction form
    14,506.68/20,020.86 = 8,844.60/x
  3. Step 3: Cross multiply
    14,506.68x = 20,020.86 × 8,844.60
  4. Step 4: Simplify right side
    14,506.68x = 177,076,498.36
  5. Step 5: Solve for x
    x = 177,076,498.36/14,506.68
  6. Step 6: Final answer
    x = 12,206.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.