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Finding the Fourth Proportional to 48,373.68, 72,563.88 and 20,283.12

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Solution

The fourth proportional to 48,373.68, 72,563.88 and 20,283.12 is: 30,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.68 : 72,563.88 = 20,283.12 : x
  2. Step 2: Convert to fraction form
    48,373.68/72,563.88 = 20,283.12/x
  3. Step 3: Cross multiply
    48,373.68x = 72,563.88 × 20,283.12
  4. Step 4: Simplify right side
    48,373.68x = 1,471,821,885.71
  5. Step 5: Solve for x
    x = 1,471,821,885.71/48,373.68
  6. Step 6: Final answer
    x = 30,426.09

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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.