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Finding the Fourth Proportional to 14,418.03, 19,893.48 and 8,752.64

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Solution

The fourth proportional to 14,418.03, 19,893.48 and 8,752.64 is: 12,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.03 : 19,893.48 = 8,752.64 : x
  2. Step 2: Convert to fraction form
    14,418.03/19,893.48 = 8,752.64/x
  3. Step 3: Cross multiply
    14,418.03x = 19,893.48 × 8,752.64
  4. Step 4: Simplify right side
    14,418.03x = 174,120,468.79
  5. Step 5: Solve for x
    x = 174,120,468.79/14,418.03
  6. Step 6: Final answer
    x = 12,076.58

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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.