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Finding the Fourth Proportional to 14,101.64, 21,153.08 and 5,335.44

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Solution

The fourth proportional to 14,101.64, 21,153.08 and 5,335.44 is: 8,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.64 : 21,153.08 = 5,335.44 : x
  2. Step 2: Convert to fraction form
    14,101.64/21,153.08 = 5,335.44/x
  3. Step 3: Cross multiply
    14,101.64x = 21,153.08 × 5,335.44
  4. Step 4: Simplify right side
    14,101.64x = 112,860,989.16
  5. Step 5: Solve for x
    x = 112,860,989.16/14,101.64
  6. Step 6: Final answer
    x = 8,003.39

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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.