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Finding the Fourth Proportional to 44,938.81, 67,408.22 and 15,356.90

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Solution

The fourth proportional to 44,938.81, 67,408.22 and 15,356.90 is: 23,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,938.81 : 67,408.22 = 15,356.90 : x
  2. Step 2: Convert to fraction form
    44,938.81/67,408.22 = 15,356.90/x
  3. Step 3: Cross multiply
    44,938.81x = 67,408.22 × 15,356.90
  4. Step 4: Simplify right side
    44,938.81x = 1,035,181,385.45
  5. Step 5: Solve for x
    x = 1,035,181,385.45/44,938.81
  6. Step 6: Final answer
    x = 23,035.36

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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.