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Finding the Fourth Proportional to 45,855, 63,385.83 and 38,257.02

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Solution

The fourth proportional to 45,855, 63,385.83 and 38,257.02 is: 52,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855 : 63,385.83 = 38,257.02 : x
  2. Step 2: Convert to fraction form
    45,855/63,385.83 = 38,257.02/x
  3. Step 3: Cross multiply
    45,855x = 63,385.83 × 38,257.02
  4. Step 4: Simplify right side
    45,855x = 2,424,952,966.03
  5. Step 5: Solve for x
    x = 2,424,952,966.03/45,855
  6. Step 6: Final answer
    x = 52,883.07

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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.