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Finding the Fourth Proportional to 51,241.91, 76,353.45 and 45,652.30

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Solution

The fourth proportional to 51,241.91, 76,353.45 and 45,652.30 is: 68,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,241.91 : 76,353.45 = 45,652.30 : x
  2. Step 2: Convert to fraction form
    51,241.91/76,353.45 = 45,652.30/x
  3. Step 3: Cross multiply
    51,241.91x = 76,353.45 × 45,652.30
  4. Step 4: Simplify right side
    51,241.91x = 3,485,710,605.44
  5. Step 5: Solve for x
    x = 3,485,710,605.44/51,241.91
  6. Step 6: Final answer
    x = 68,024.60

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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.