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Finding the Fourth Proportional to 43,062.58, 64,597.62 and 11,897.86

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Solution

The fourth proportional to 43,062.58, 64,597.62 and 11,897.86 is: 17,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,062.58 : 64,597.62 = 11,897.86 : x
  2. Step 2: Convert to fraction form
    43,062.58/64,597.62 = 11,897.86/x
  3. Step 3: Cross multiply
    43,062.58x = 64,597.62 × 11,897.86
  4. Step 4: Simplify right side
    43,062.58x = 768,573,439.09
  5. Step 5: Solve for x
    x = 768,573,439.09/43,062.58
  6. Step 6: Final answer
    x = 17,847.83

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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.