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Finding the Fourth Proportional to 52,374.62, 72,264.37 and 30,865.25

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Solution

The fourth proportional to 52,374.62, 72,264.37 and 30,865.25 is: 42,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,374.62 : 72,264.37 = 30,865.25 : x
  2. Step 2: Convert to fraction form
    52,374.62/72,264.37 = 30,865.25/x
  3. Step 3: Cross multiply
    52,374.62x = 72,264.37 × 30,865.25
  4. Step 4: Simplify right side
    52,374.62x = 2,230,457,846.14
  5. Step 5: Solve for x
    x = 2,230,457,846.14/52,374.62
  6. Step 6: Final answer
    x = 42,586.62

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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.