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Finding the Fourth Proportional to 35,408.29, 53,145.29 and 17,890.42

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Solution

The fourth proportional to 35,408.29, 53,145.29 and 17,890.42 is: 26,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.29 : 53,145.29 = 17,890.42 : x
  2. Step 2: Convert to fraction form
    35,408.29/53,145.29 = 17,890.42/x
  3. Step 3: Cross multiply
    35,408.29x = 53,145.29 × 17,890.42
  4. Step 4: Simplify right side
    35,408.29x = 950,791,559.12
  5. Step 5: Solve for x
    x = 950,791,559.12/35,408.29
  6. Step 6: Final answer
    x = 26,852.23

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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.