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Finding the Fourth Proportional to 56,576.49, 84,853.80 and 53,766.60

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Solution

The fourth proportional to 56,576.49, 84,853.80 and 53,766.60 is: 80,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,576.49 : 84,853.80 = 53,766.60 : x
  2. Step 2: Convert to fraction form
    56,576.49/84,853.80 = 53,766.60/x
  3. Step 3: Cross multiply
    56,576.49x = 84,853.80 × 53,766.60
  4. Step 4: Simplify right side
    56,576.49x = 4,562,300,323.08
  5. Step 5: Solve for x
    x = 4,562,300,323.08/56,576.49
  6. Step 6: Final answer
    x = 80,639.51

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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.