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Finding the Fourth Proportional to 45,601.80, 67,787.22 and 44,256.30

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Solution

The fourth proportional to 45,601.80, 67,787.22 and 44,256.30 is: 65,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,601.80 : 67,787.22 = 44,256.30 : x
  2. Step 2: Convert to fraction form
    45,601.80/67,787.22 = 44,256.30/x
  3. Step 3: Cross multiply
    45,601.80x = 67,787.22 × 44,256.30
  4. Step 4: Simplify right side
    45,601.80x = 3,000,011,544.49
  5. Step 5: Solve for x
    x = 3,000,011,544.49/45,601.80
  6. Step 6: Final answer
    x = 65,787.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.