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Finding the Fourth Proportional to 17,135.64, 25,645.02 and 14,365.44

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Solution

The fourth proportional to 17,135.64, 25,645.02 and 14,365.44 is: 21,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.64 : 25,645.02 = 14,365.44 : x
  2. Step 2: Convert to fraction form
    17,135.64/25,645.02 = 14,365.44/x
  3. Step 3: Cross multiply
    17,135.64x = 25,645.02 × 14,365.44
  4. Step 4: Simplify right side
    17,135.64x = 368,401,996.11
  5. Step 5: Solve for x
    x = 368,401,996.11/17,135.64
  6. Step 6: Final answer
    x = 21,499.17

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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.