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Finding the Fourth Proportional to 47,661.88, 65,773.72 and 26,441.50

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Solution

The fourth proportional to 47,661.88, 65,773.72 and 26,441.50 is: 36,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.88 : 65,773.72 = 26,441.50 : x
  2. Step 2: Convert to fraction form
    47,661.88/65,773.72 = 26,441.50/x
  3. Step 3: Cross multiply
    47,661.88x = 65,773.72 × 26,441.50
  4. Step 4: Simplify right side
    47,661.88x = 1,739,155,817.38
  5. Step 5: Solve for x
    x = 1,739,155,817.38/47,661.88
  6. Step 6: Final answer
    x = 36,489.45

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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.