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Finding the Fourth Proportional to 44,133.56, 66,163 and 19,154.71

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Solution

The fourth proportional to 44,133.56, 66,163 and 19,154.71 is: 28,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,133.56 : 66,163 = 19,154.71 : x
  2. Step 2: Convert to fraction form
    44,133.56/66,163 = 19,154.71/x
  3. Step 3: Cross multiply
    44,133.56x = 66,163 × 19,154.71
  4. Step 4: Simplify right side
    44,133.56x = 1,267,333,077.73
  5. Step 5: Solve for x
    x = 1,267,333,077.73/44,133.56
  6. Step 6: Final answer
    x = 28,715.86

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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.