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Finding the Fourth Proportional to 44,913.60, 67,350.83 and 12,885.60

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Solution

The fourth proportional to 44,913.60, 67,350.83 and 12,885.60 is: 19,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,913.60 : 67,350.83 = 12,885.60 : x
  2. Step 2: Convert to fraction form
    44,913.60/67,350.83 = 12,885.60/x
  3. Step 3: Cross multiply
    44,913.60x = 67,350.83 × 12,885.60
  4. Step 4: Simplify right side
    44,913.60x = 867,855,855.05
  5. Step 5: Solve for x
    x = 867,855,855.05/44,913.60
  6. Step 6: Final answer
    x = 19,322.79

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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.