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Finding the Fourth Proportional to 58,745.97, 81,070.90 and 31,888.44

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Solution

The fourth proportional to 58,745.97, 81,070.90 and 31,888.44 is: 44,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.97 : 81,070.90 = 31,888.44 : x
  2. Step 2: Convert to fraction form
    58,745.97/81,070.90 = 31,888.44/x
  3. Step 3: Cross multiply
    58,745.97x = 81,070.90 × 31,888.44
  4. Step 4: Simplify right side
    58,745.97x = 2,585,224,450.67
  5. Step 5: Solve for x
    x = 2,585,224,450.67/58,745.97
  6. Step 6: Final answer
    x = 44,006.84

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1.5x scale

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.