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Finding the Fourth Proportional to 44,981.72, 67,386.72 and 25,200.44

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Solution

The fourth proportional to 44,981.72, 67,386.72 and 25,200.44 is: 37,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,981.72 : 67,386.72 = 25,200.44 : x
  2. Step 2: Convert to fraction form
    44,981.72/67,386.72 = 25,200.44/x
  3. Step 3: Cross multiply
    44,981.72x = 67,386.72 × 25,200.44
  4. Step 4: Simplify right side
    44,981.72x = 1,698,174,994.16
  5. Step 5: Solve for x
    x = 1,698,174,994.16/44,981.72
  6. Step 6: Final answer
    x = 37,752.56

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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.