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Finding the Fourth Proportional to 51,276.60, 76,871.70 and 26,652.60

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Solution

The fourth proportional to 51,276.60, 76,871.70 and 26,652.60 is: 39,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.60 : 76,871.70 = 26,652.60 : x
  2. Step 2: Convert to fraction form
    51,276.60/76,871.70 = 26,652.60/x
  3. Step 3: Cross multiply
    51,276.60x = 76,871.70 × 26,652.60
  4. Step 4: Simplify right side
    51,276.60x = 2,048,830,671.42
  5. Step 5: Solve for x
    x = 2,048,830,671.42/51,276.60
  6. Step 6: Final answer
    x = 39,956.45

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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.