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Finding the Fourth Proportional to 48,101.64, 66,379.11 and 26,885

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Solution

The fourth proportional to 48,101.64, 66,379.11 and 26,885 is: 37,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,101.64 : 66,379.11 = 26,885 : x
  2. Step 2: Convert to fraction form
    48,101.64/66,379.11 = 26,885/x
  3. Step 3: Cross multiply
    48,101.64x = 66,379.11 × 26,885
  4. Step 4: Simplify right side
    48,101.64x = 1,784,602,372.35
  5. Step 5: Solve for x
    x = 1,784,602,372.35/48,101.64
  6. Step 6: Final answer
    x = 37,100.66

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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.