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Finding the Fourth Proportional to 73,714.30, 110,571.45 and 18,310.30

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Solution

The fourth proportional to 73,714.30, 110,571.45 and 18,310.30 is: 27,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,714.30 : 110,571.45 = 18,310.30 : x
  2. Step 2: Convert to fraction form
    73,714.30/110,571.45 = 18,310.30/x
  3. Step 3: Cross multiply
    73,714.30x = 110,571.45 × 18,310.30
  4. Step 4: Simplify right side
    73,714.30x = 2,024,596,420.94
  5. Step 5: Solve for x
    x = 2,024,596,420.94/73,714.30
  6. Step 6: Final answer
    x = 27,465.45

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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.