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Finding the Fourth Proportional to 44,906.40, 67,244.40 and 42,832.80

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Solution

The fourth proportional to 44,906.40, 67,244.40 and 42,832.80 is: 64,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,906.40 : 67,244.40 = 42,832.80 : x
  2. Step 2: Convert to fraction form
    44,906.40/67,244.40 = 42,832.80/x
  3. Step 3: Cross multiply
    44,906.40x = 67,244.40 × 42,832.80
  4. Step 4: Simplify right side
    44,906.40x = 2,880,265,936.32
  5. Step 5: Solve for x
    x = 2,880,265,936.32/44,906.40
  6. Step 6: Final answer
    x = 64,139.32

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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.