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Finding the Fourth Proportional to 35,408.52, 53,073.90 and 12,017.34

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Solution

The fourth proportional to 35,408.52, 53,073.90 and 12,017.34 is: 18,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.52 : 53,073.90 = 12,017.34 : x
  2. Step 2: Convert to fraction form
    35,408.52/53,073.90 = 12,017.34/x
  3. Step 3: Cross multiply
    35,408.52x = 53,073.90 × 12,017.34
  4. Step 4: Simplify right side
    35,408.52x = 637,807,101.43
  5. Step 5: Solve for x
    x = 637,807,101.43/35,408.52
  6. Step 6: Final answer
    x = 18,012.81

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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.