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Finding the Fourth Proportional to 58,457.84, 80,652.12 and 33,289.52

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Solution

The fourth proportional to 58,457.84, 80,652.12 and 33,289.52 is: 45,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,457.84 : 80,652.12 = 33,289.52 : x
  2. Step 2: Convert to fraction form
    58,457.84/80,652.12 = 33,289.52/x
  3. Step 3: Cross multiply
    58,457.84x = 80,652.12 × 33,289.52
  4. Step 4: Simplify right side
    58,457.84x = 2,684,870,361.78
  5. Step 5: Solve for x
    x = 2,684,870,361.78/58,457.84
  6. Step 6: Final answer
    x = 45,928.32

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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.