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Finding the Fourth Proportional to 53,871.98, 80,758.08 and 27,518.60

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Solution

The fourth proportional to 53,871.98, 80,758.08 and 27,518.60 is: 41,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871.98 : 80,758.08 = 27,518.60 : x
  2. Step 2: Convert to fraction form
    53,871.98/80,758.08 = 27,518.60/x
  3. Step 3: Cross multiply
    53,871.98x = 80,758.08 × 27,518.60
  4. Step 4: Simplify right side
    53,871.98x = 2,222,349,300.29
  5. Step 5: Solve for x
    x = 2,222,349,300.29/53,871.98
  6. Step 6: Final answer
    x = 41,252.42

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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.