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Finding the Fourth Proportional to 44,079.71, 66,119.57 and 12,914.96

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Solution

The fourth proportional to 44,079.71, 66,119.57 and 12,914.96 is: 19,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,079.71 : 66,119.57 = 12,914.96 : x
  2. Step 2: Convert to fraction form
    44,079.71/66,119.57 = 12,914.96/x
  3. Step 3: Cross multiply
    44,079.71x = 66,119.57 × 12,914.96
  4. Step 4: Simplify right side
    44,079.71x = 853,931,601.77
  5. Step 5: Solve for x
    x = 853,931,601.77/44,079.71
  6. Step 6: Final answer
    x = 19,372.44

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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.