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Finding the Fourth Proportional to 35,553.21, 53,318.47 and 14,493.21

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Solution

The fourth proportional to 35,553.21, 53,318.47 and 14,493.21 is: 21,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553.21 : 53,318.47 = 14,493.21 : x
  2. Step 2: Convert to fraction form
    35,553.21/53,318.47 = 14,493.21/x
  3. Step 3: Cross multiply
    35,553.21x = 53,318.47 × 14,493.21
  4. Step 4: Simplify right side
    35,553.21x = 772,755,782.59
  5. Step 5: Solve for x
    x = 772,755,782.59/35,553.21
  6. Step 6: Final answer
    x = 21,735.19

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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.