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Finding the Fourth Proportional to 35,302.83, 52,920.81 and 13,101.14

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Solution

The fourth proportional to 35,302.83, 52,920.81 and 13,101.14 is: 19,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,302.83 : 52,920.81 = 13,101.14 : x
  2. Step 2: Convert to fraction form
    35,302.83/52,920.81 = 13,101.14/x
  3. Step 3: Cross multiply
    35,302.83x = 52,920.81 × 13,101.14
  4. Step 4: Simplify right side
    35,302.83x = 693,322,676.12
  5. Step 5: Solve for x
    x = 693,322,676.12/35,302.83
  6. Step 6: Final answer
    x = 19,639.29

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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.