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Finding the Fourth Proportional to 74,657.64, 111,927.24 and 37,197.30

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Solution

The fourth proportional to 74,657.64, 111,927.24 and 37,197.30 is: 55,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,657.64 : 111,927.24 = 37,197.30 : x
  2. Step 2: Convert to fraction form
    74,657.64/111,927.24 = 37,197.30/x
  3. Step 3: Cross multiply
    74,657.64x = 111,927.24 × 37,197.30
  4. Step 4: Simplify right side
    74,657.64x = 4,163,391,124.45
  5. Step 5: Solve for x
    x = 4,163,391,124.45/74,657.64
  6. Step 6: Final answer
    x = 55,766.44

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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.