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Finding the Fourth Proportional to 72,841.54, 100,523.21 and 41,011.58

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Solution

The fourth proportional to 72,841.54, 100,523.21 and 41,011.58 is: 56,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,841.54 : 100,523.21 = 41,011.58 : x
  2. Step 2: Convert to fraction form
    72,841.54/100,523.21 = 41,011.58/x
  3. Step 3: Cross multiply
    72,841.54x = 100,523.21 × 41,011.58
  4. Step 4: Simplify right side
    72,841.54x = 4,122,615,668.77
  5. Step 5: Solve for x
    x = 4,122,615,668.77/72,841.54
  6. Step 6: Final answer
    x = 56,597.04

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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.