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Finding the Fourth Proportional to 44,812.78, 67,228.92 and 13,647.22

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Solution

The fourth proportional to 44,812.78, 67,228.92 and 13,647.22 is: 20,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,812.78 : 67,228.92 = 13,647.22 : x
  2. Step 2: Convert to fraction form
    44,812.78/67,228.92 = 13,647.22/x
  3. Step 3: Cross multiply
    44,812.78x = 67,228.92 × 13,647.22
  4. Step 4: Simplify right side
    44,812.78x = 917,487,693.53
  5. Step 5: Solve for x
    x = 917,487,693.53/44,812.78
  6. Step 6: Final answer
    x = 20,473.80

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1.5x scale

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.