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Finding the Fourth Proportional to 44,284.55, 66,133.28 and 38,919.11

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Solution

The fourth proportional to 44,284.55, 66,133.28 and 38,919.11 is: 58,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,284.55 : 66,133.28 = 38,919.11 : x
  2. Step 2: Convert to fraction form
    44,284.55/66,133.28 = 38,919.11/x
  3. Step 3: Cross multiply
    44,284.55x = 66,133.28 × 38,919.11
  4. Step 4: Simplify right side
    44,284.55x = 2,573,848,165.61
  5. Step 5: Solve for x
    x = 2,573,848,165.61/44,284.55
  6. Step 6: Final answer
    x = 58,120.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.