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Finding the Fourth Proportional to 50,963.40, 76,445.10 and 13,523.40

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Solution

The fourth proportional to 50,963.40, 76,445.10 and 13,523.40 is: 20,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,963.40 : 76,445.10 = 13,523.40 : x
  2. Step 2: Convert to fraction form
    50,963.40/76,445.10 = 13,523.40/x
  3. Step 3: Cross multiply
    50,963.40x = 76,445.10 × 13,523.40
  4. Step 4: Simplify right side
    50,963.40x = 1,033,797,665.34
  5. Step 5: Solve for x
    x = 1,033,797,665.34/50,963.40
  6. Step 6: Final answer
    x = 20,285.10

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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.