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Finding the Fourth Proportional to 71,354.05, 107,052.67 and 26,994.40

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Solution

The fourth proportional to 71,354.05, 107,052.67 and 26,994.40 is: 40,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,354.05 : 107,052.67 = 26,994.40 : x
  2. Step 2: Convert to fraction form
    71,354.05/107,052.67 = 26,994.40/x
  3. Step 3: Cross multiply
    71,354.05x = 107,052.67 × 26,994.40
  4. Step 4: Simplify right side
    71,354.05x = 2,889,822,595.05
  5. Step 5: Solve for x
    x = 2,889,822,595.05/71,354.05
  6. Step 6: Final answer
    x = 40,499.77

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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.