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Finding the Fourth Proportional to 58,952, 81,422.88 and 39,045.44

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Solution

The fourth proportional to 58,952, 81,422.88 and 39,045.44 is: 53,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,952 : 81,422.88 = 39,045.44 : x
  2. Step 2: Convert to fraction form
    58,952/81,422.88 = 39,045.44/x
  3. Step 3: Cross multiply
    58,952x = 81,422.88 × 39,045.44
  4. Step 4: Simplify right side
    58,952x = 3,179,192,175.67
  5. Step 5: Solve for x
    x = 3,179,192,175.67/58,952
  6. Step 6: Final answer
    x = 53,928.49

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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.