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Finding the Fourth Proportional to 80,409.80, 110,961 and 44,597.24

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Solution

The fourth proportional to 80,409.80, 110,961 and 44,597.24 is: 61,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409.80 : 110,961 = 44,597.24 : x
  2. Step 2: Convert to fraction form
    80,409.80/110,961 = 44,597.24/x
  3. Step 3: Cross multiply
    80,409.80x = 110,961 × 44,597.24
  4. Step 4: Simplify right side
    80,409.80x = 4,948,554,347.64
  5. Step 5: Solve for x
    x = 4,948,554,347.64/80,409.80
  6. Step 6: Final answer
    x = 61,541.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.