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Finding the Fourth Proportional to 37,407.62, 56,120.58 and 12,447.62

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Solution

The fourth proportional to 37,407.62, 56,120.58 and 12,447.62 is: 18,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,407.62 : 56,120.58 = 12,447.62 : x
  2. Step 2: Convert to fraction form
    37,407.62/56,120.58 = 12,447.62/x
  3. Step 3: Cross multiply
    37,407.62x = 56,120.58 × 12,447.62
  4. Step 4: Simplify right side
    37,407.62x = 698,567,654.02
  5. Step 5: Solve for x
    x = 698,567,654.02/37,407.62
  6. Step 6: Final answer
    x = 18,674.47

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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.