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Finding the Fourth Proportional to 29,615.60, 44,408.28 and 8,836.40

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Solution

The fourth proportional to 29,615.60, 44,408.28 and 8,836.40 is: 13,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.60 : 44,408.28 = 8,836.40 : x
  2. Step 2: Convert to fraction form
    29,615.60/44,408.28 = 8,836.40/x
  3. Step 3: Cross multiply
    29,615.60x = 44,408.28 × 8,836.40
  4. Step 4: Simplify right side
    29,615.60x = 392,409,325.39
  5. Step 5: Solve for x
    x = 392,409,325.39/29,615.60
  6. Step 6: Final answer
    x = 13,250.09

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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.