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Finding the Fourth Proportional to 58,745.70, 81,069.26 and 31,888.22

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Solution

The fourth proportional to 58,745.70, 81,069.26 and 31,888.22 is: 44,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.70 : 81,069.26 = 31,888.22 : x
  2. Step 2: Convert to fraction form
    58,745.70/81,069.26 = 31,888.22/x
  3. Step 3: Cross multiply
    58,745.70x = 81,069.26 × 31,888.22
  4. Step 4: Simplify right side
    58,745.70x = 2,585,153,833.33
  5. Step 5: Solve for x
    x = 2,585,153,833.33/58,745.70
  6. Step 6: Final answer
    x = 44,005.84

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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.