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Finding the Fourth Proportional to 73,673.40, 110,510.85 and 40,375.32

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Solution

The fourth proportional to 73,673.40, 110,510.85 and 40,375.32 is: 60,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,673.40 : 110,510.85 = 40,375.32 : x
  2. Step 2: Convert to fraction form
    73,673.40/110,510.85 = 40,375.32/x
  3. Step 3: Cross multiply
    73,673.40x = 110,510.85 × 40,375.32
  4. Step 4: Simplify right side
    73,673.40x = 4,461,910,932.22
  5. Step 5: Solve for x
    x = 4,461,910,932.22/73,673.40
  6. Step 6: Final answer
    x = 60,563.39

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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.