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Finding the Fourth Proportional to 44,885.40, 67,325.64 and 13,720.64

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Solution

The fourth proportional to 44,885.40, 67,325.64 and 13,720.64 is: 20,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,885.40 : 67,325.64 = 13,720.64 : x
  2. Step 2: Convert to fraction form
    44,885.40/67,325.64 = 13,720.64/x
  3. Step 3: Cross multiply
    44,885.40x = 67,325.64 × 13,720.64
  4. Step 4: Simplify right side
    44,885.40x = 923,750,869.21
  5. Step 5: Solve for x
    x = 923,750,869.21/44,885.40
  6. Step 6: Final answer
    x = 20,580.21

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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.