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Finding the Fourth Proportional to 51,291.60, 76,937.40 and 29,096.40

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Solution

The fourth proportional to 51,291.60, 76,937.40 and 29,096.40 is: 43,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,291.60 : 76,937.40 = 29,096.40 : x
  2. Step 2: Convert to fraction form
    51,291.60/76,937.40 = 29,096.40/x
  3. Step 3: Cross multiply
    51,291.60x = 76,937.40 × 29,096.40
  4. Step 4: Simplify right side
    51,291.60x = 2,238,601,365.36
  5. Step 5: Solve for x
    x = 2,238,601,365.36/51,291.60
  6. Step 6: Final answer
    x = 43,644.60

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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.