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Finding the Fourth Proportional to 47,728.60, 65,862.66 and 26,506.60

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Solution

The fourth proportional to 47,728.60, 65,862.66 and 26,506.60 is: 36,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.60 : 65,862.66 = 26,506.60 : x
  2. Step 2: Convert to fraction form
    47,728.60/65,862.66 = 26,506.60/x
  3. Step 3: Cross multiply
    47,728.60x = 65,862.66 × 26,506.60
  4. Step 4: Simplify right side
    47,728.60x = 1,745,795,183.56
  5. Step 5: Solve for x
    x = 1,745,795,183.56/47,728.60
  6. Step 6: Final answer
    x = 36,577.55

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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.