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Finding the Fourth Proportional to 44,861.70, 67,280.40 and 13,271.70

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Solution

The fourth proportional to 44,861.70, 67,280.40 and 13,271.70 is: 19,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,861.70 : 67,280.40 = 13,271.70 : x
  2. Step 2: Convert to fraction form
    44,861.70/67,280.40 = 13,271.70/x
  3. Step 3: Cross multiply
    44,861.70x = 67,280.40 × 13,271.70
  4. Step 4: Simplify right side
    44,861.70x = 892,925,284.68
  5. Step 5: Solve for x
    x = 892,925,284.68/44,861.70
  6. Step 6: Final answer
    x = 19,903.96

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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.