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Finding the Fourth Proportional to 58,852.92, 81,151.06 and 55,120.44

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Solution

The fourth proportional to 58,852.92, 81,151.06 and 55,120.44 is: 76,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,852.92 : 81,151.06 = 55,120.44 : x
  2. Step 2: Convert to fraction form
    58,852.92/81,151.06 = 55,120.44/x
  3. Step 3: Cross multiply
    58,852.92x = 81,151.06 × 55,120.44
  4. Step 4: Simplify right side
    58,852.92x = 4,473,082,133.67
  5. Step 5: Solve for x
    x = 4,473,082,133.67/58,852.92
  6. Step 6: Final answer
    x = 76,004.42

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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.