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Finding the Fourth Proportional to 55,573.80, 83,449.80 and 51,480.60

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Solution

The fourth proportional to 55,573.80, 83,449.80 and 51,480.60 is: 77,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.80 : 83,449.80 = 51,480.60 : x
  2. Step 2: Convert to fraction form
    55,573.80/83,449.80 = 51,480.60/x
  3. Step 3: Cross multiply
    55,573.80x = 83,449.80 × 51,480.60
  4. Step 4: Simplify right side
    55,573.80x = 4,296,045,773.88
  5. Step 5: Solve for x
    x = 4,296,045,773.88/55,573.80
  6. Step 6: Final answer
    x = 77,303.44

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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.