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Finding the Fourth Proportional to 40,994.70, 61,443.45 and 17,302.20

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Solution

The fourth proportional to 40,994.70, 61,443.45 and 17,302.20 is: 25,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,994.70 : 61,443.45 = 17,302.20 : x
  2. Step 2: Convert to fraction form
    40,994.70/61,443.45 = 17,302.20/x
  3. Step 3: Cross multiply
    40,994.70x = 61,443.45 × 17,302.20
  4. Step 4: Simplify right side
    40,994.70x = 1,063,106,860.59
  5. Step 5: Solve for x
    x = 1,063,106,860.59/40,994.70
  6. Step 6: Final answer
    x = 25,932.79

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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.