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Finding the Fourth Proportional to 43,408.68, 65,133.27 and 15,349.98

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Solution

The fourth proportional to 43,408.68, 65,133.27 and 15,349.98 is: 23,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,408.68 : 65,133.27 = 15,349.98 : x
  2. Step 2: Convert to fraction form
    43,408.68/65,133.27 = 15,349.98/x
  3. Step 3: Cross multiply
    43,408.68x = 65,133.27 × 15,349.98
  4. Step 4: Simplify right side
    43,408.68x = 999,794,391.83
  5. Step 5: Solve for x
    x = 999,794,391.83/43,408.68
  6. Step 6: Final answer
    x = 23,032.13

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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.