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Finding the Fourth Proportional to 86,672.62, 129,994.08 and 27,495.10

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Solution

The fourth proportional to 86,672.62, 129,994.08 and 27,495.10 is: 41,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672.62 : 129,994.08 = 27,495.10 : x
  2. Step 2: Convert to fraction form
    86,672.62/129,994.08 = 27,495.10/x
  3. Step 3: Cross multiply
    86,672.62x = 129,994.08 × 27,495.10
  4. Step 4: Simplify right side
    86,672.62x = 3,574,200,229.01
  5. Step 5: Solve for x
    x = 3,574,200,229.01/86,672.62
  6. Step 6: Final answer
    x = 41,237.94

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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.