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Finding the Fourth Proportional to 48,636.52, 72,974.22 and 26,423.89

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Solution

The fourth proportional to 48,636.52, 72,974.22 and 26,423.89 is: 39,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,636.52 : 72,974.22 = 26,423.89 : x
  2. Step 2: Convert to fraction form
    48,636.52/72,974.22 = 26,423.89/x
  3. Step 3: Cross multiply
    48,636.52x = 72,974.22 × 26,423.89
  4. Step 4: Simplify right side
    48,636.52x = 1,928,262,762.12
  5. Step 5: Solve for x
    x = 1,928,262,762.12/48,636.52
  6. Step 6: Final answer
    x = 39,646.40

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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.