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Finding the Fourth Proportional to 45,490.60, 68,235.90 and 37,714.60

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Solution

The fourth proportional to 45,490.60, 68,235.90 and 37,714.60 is: 56,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.60 : 68,235.90 = 37,714.60 : x
  2. Step 2: Convert to fraction form
    45,490.60/68,235.90 = 37,714.60/x
  3. Step 3: Cross multiply
    45,490.60x = 68,235.90 × 37,714.60
  4. Step 4: Simplify right side
    45,490.60x = 2,573,489,674.14
  5. Step 5: Solve for x
    x = 2,573,489,674.14/45,490.60
  6. Step 6: Final answer
    x = 56,571.90

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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.