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Finding the Fourth Proportional to 29,574.96, 44,370.72 and 12,936.48

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Solution

The fourth proportional to 29,574.96, 44,370.72 and 12,936.48 is: 19,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,574.96 : 44,370.72 = 12,936.48 : x
  2. Step 2: Convert to fraction form
    29,574.96/44,370.72 = 12,936.48/x
  3. Step 3: Cross multiply
    29,574.96x = 44,370.72 × 12,936.48
  4. Step 4: Simplify right side
    29,574.96x = 574,000,931.87
  5. Step 5: Solve for x
    x = 574,000,931.87/29,574.96
  6. Step 6: Final answer
    x = 19,408.34

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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.