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Finding the Fourth Proportional to 57,315.76, 86,063.52 and 48,546.04

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Solution

The fourth proportional to 57,315.76, 86,063.52 and 48,546.04 is: 72,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.76 : 86,063.52 = 48,546.04 : x
  2. Step 2: Convert to fraction form
    57,315.76/86,063.52 = 48,546.04/x
  3. Step 3: Cross multiply
    57,315.76x = 86,063.52 × 48,546.04
  4. Step 4: Simplify right side
    57,315.76x = 4,178,043,084.46
  5. Step 5: Solve for x
    x = 4,178,043,084.46/57,315.76
  6. Step 6: Final answer
    x = 72,895.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.