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Finding the Fourth Proportional to 58,228.84, 80,346.80 and 32,730.48

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Solution

The fourth proportional to 58,228.84, 80,346.80 and 32,730.48 is: 45,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,228.84 : 80,346.80 = 32,730.48 : x
  2. Step 2: Convert to fraction form
    58,228.84/80,346.80 = 32,730.48/x
  3. Step 3: Cross multiply
    58,228.84x = 80,346.80 × 32,730.48
  4. Step 4: Simplify right side
    58,228.84x = 2,629,789,330.46
  5. Step 5: Solve for x
    x = 2,629,789,330.46/58,228.84
  6. Step 6: Final answer
    x = 45,163.00

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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.