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Finding the Fourth Proportional to 48,473.46, 66,860.48 and 31,447.27

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Solution

The fourth proportional to 48,473.46, 66,860.48 and 31,447.27 is: 43,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,473.46 : 66,860.48 = 31,447.27 : x
  2. Step 2: Convert to fraction form
    48,473.46/66,860.48 = 31,447.27/x
  3. Step 3: Cross multiply
    48,473.46x = 66,860.48 × 31,447.27
  4. Step 4: Simplify right side
    48,473.46x = 2,102,579,566.89
  5. Step 5: Solve for x
    x = 2,102,579,566.89/48,473.46
  6. Step 6: Final answer
    x = 43,375.89

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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.