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Finding the Fourth Proportional to 45,857, 63,388.60 and 38,259.02

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Solution

The fourth proportional to 45,857, 63,388.60 and 38,259.02 is: 52,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,857 : 63,388.60 = 38,259.02 : x
  2. Step 2: Convert to fraction form
    45,857/63,388.60 = 38,259.02/x
  3. Step 3: Cross multiply
    45,857x = 63,388.60 × 38,259.02
  4. Step 4: Simplify right side
    45,857x = 2,425,185,715.17
  5. Step 5: Solve for x
    x = 2,425,185,715.17/45,857
  6. Step 6: Final answer
    x = 52,885.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.