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Finding the Fourth Proportional to 14,548.52, 20,077.74 and 8,583.68

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Solution

The fourth proportional to 14,548.52, 20,077.74 and 8,583.68 is: 11,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.52 : 20,077.74 = 8,583.68 : x
  2. Step 2: Convert to fraction form
    14,548.52/20,077.74 = 8,583.68/x
  3. Step 3: Cross multiply
    14,548.52x = 20,077.74 × 8,583.68
  4. Step 4: Simplify right side
    14,548.52x = 172,340,895.28
  5. Step 5: Solve for x
    x = 172,340,895.28/14,548.52
  6. Step 6: Final answer
    x = 11,845.94

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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.