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Finding the Fourth Proportional to 52,491.60, 78,782.89 and 27,549.27

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Solution

The fourth proportional to 52,491.60, 78,782.89 and 27,549.27 is: 41,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.60 : 78,782.89 = 27,549.27 : x
  2. Step 2: Convert to fraction form
    52,491.60/78,782.89 = 27,549.27/x
  3. Step 3: Cross multiply
    52,491.60x = 78,782.89 × 27,549.27
  4. Step 4: Simplify right side
    52,491.60x = 2,170,410,645.20
  5. Step 5: Solve for x
    x = 2,170,410,645.20/52,491.60
  6. Step 6: Final answer
    x = 41,347.77

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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.