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Finding the Fourth Proportional to 74,674.60, 112,044.30 and 37,738.60

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Solution

The fourth proportional to 74,674.60, 112,044.30 and 37,738.60 is: 56,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,674.60 : 112,044.30 = 37,738.60 : x
  2. Step 2: Convert to fraction form
    74,674.60/112,044.30 = 37,738.60/x
  3. Step 3: Cross multiply
    74,674.60x = 112,044.30 × 37,738.60
  4. Step 4: Simplify right side
    74,674.60x = 4,228,395,019.98
  5. Step 5: Solve for x
    x = 4,228,395,019.98/74,674.60
  6. Step 6: Final answer
    x = 56,624.27

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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.