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Finding the Fourth Proportional to 48,575.58, 67,065.30 and 39,644.42

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Solution

The fourth proportional to 48,575.58, 67,065.30 and 39,644.42 is: 54,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,575.58 : 67,065.30 = 39,644.42 : x
  2. Step 2: Convert to fraction form
    48,575.58/67,065.30 = 39,644.42/x
  3. Step 3: Cross multiply
    48,575.58x = 67,065.30 × 39,644.42
  4. Step 4: Simplify right side
    48,575.58x = 2,658,764,920.63
  5. Step 5: Solve for x
    x = 2,658,764,920.63/48,575.58
  6. Step 6: Final answer
    x = 54,734.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.