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Finding the Fourth Proportional to 47,649.79, 65,755.03 and 26,431.03

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Solution

The fourth proportional to 47,649.79, 65,755.03 and 26,431.03 is: 36,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.79 : 65,755.03 = 26,431.03 : x
  2. Step 2: Convert to fraction form
    47,649.79/65,755.03 = 26,431.03/x
  3. Step 3: Cross multiply
    47,649.79x = 65,755.03 × 26,431.03
  4. Step 4: Simplify right side
    47,649.79x = 1,737,973,170.58
  5. Step 5: Solve for x
    x = 1,737,973,170.58/47,649.79
  6. Step 6: Final answer
    x = 36,473.89

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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.