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Finding the Fourth Proportional to 47,661.76, 65,770.08 and 26,440.32

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Solution

The fourth proportional to 47,661.76, 65,770.08 and 26,440.32 is: 36,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.76 : 65,770.08 = 26,440.32 : x
  2. Step 2: Convert to fraction form
    47,661.76/65,770.08 = 26,440.32/x
  3. Step 3: Cross multiply
    47,661.76x = 65,770.08 × 26,440.32
  4. Step 4: Simplify right side
    47,661.76x = 1,738,981,961.63
  5. Step 5: Solve for x
    x = 1,738,981,961.63/47,661.76
  6. Step 6: Final answer
    x = 36,485.89

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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.