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Finding the Fourth Proportional to 71,573.70, 107,360.55 and 55,827.30

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Solution

The fourth proportional to 71,573.70, 107,360.55 and 55,827.30 is: 83,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,573.70 : 107,360.55 = 55,827.30 : x
  2. Step 2: Convert to fraction form
    71,573.70/107,360.55 = 55,827.30/x
  3. Step 3: Cross multiply
    71,573.70x = 107,360.55 × 55,827.30
  4. Step 4: Simplify right side
    71,573.70x = 5,993,649,633.02
  5. Step 5: Solve for x
    x = 5,993,649,633.02/71,573.70
  6. Step 6: Final answer
    x = 83,740.95

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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.