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Finding the Fourth Proportional to 58,644.93, 80,930.30 and 56,525.97

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Solution

The fourth proportional to 58,644.93, 80,930.30 and 56,525.97 is: 78,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,644.93 : 80,930.30 = 56,525.97 : x
  2. Step 2: Convert to fraction form
    58,644.93/80,930.30 = 56,525.97/x
  3. Step 3: Cross multiply
    58,644.93x = 80,930.30 × 56,525.97
  4. Step 4: Simplify right side
    58,644.93x = 4,574,663,427.26
  5. Step 5: Solve for x
    x = 4,574,663,427.26/58,644.93
  6. Step 6: Final answer
    x = 78,006.12

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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.