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Finding the Fourth Proportional to 47,374.95, 71,050.05 and 14,086.05

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Solution

The fourth proportional to 47,374.95, 71,050.05 and 14,086.05 is: 21,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,374.95 : 71,050.05 = 14,086.05 : x
  2. Step 2: Convert to fraction form
    47,374.95/71,050.05 = 14,086.05/x
  3. Step 3: Cross multiply
    47,374.95x = 71,050.05 × 14,086.05
  4. Step 4: Simplify right side
    47,374.95x = 1,000,814,556.80
  5. Step 5: Solve for x
    x = 1,000,814,556.80/47,374.95
  6. Step 6: Final answer
    x = 21,125.40

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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.