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Finding the Fourth Proportional to 44,682.40, 67,047.90 and 18,389.80

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Solution

The fourth proportional to 44,682.40, 67,047.90 and 18,389.80 is: 27,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,682.40 : 67,047.90 = 18,389.80 : x
  2. Step 2: Convert to fraction form
    44,682.40/67,047.90 = 18,389.80/x
  3. Step 3: Cross multiply
    44,682.40x = 67,047.90 × 18,389.80
  4. Step 4: Simplify right side
    44,682.40x = 1,232,997,471.42
  5. Step 5: Solve for x
    x = 1,232,997,471.42/44,682.40
  6. Step 6: Final answer
    x = 27,594.70

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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.