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Finding the Fourth Proportional to 58,441.86, 80,645.13 and 35,771.40

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Solution

The fourth proportional to 58,441.86, 80,645.13 and 35,771.40 is: 49,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,441.86 : 80,645.13 = 35,771.40 : x
  2. Step 2: Convert to fraction form
    58,441.86/80,645.13 = 35,771.40/x
  3. Step 3: Cross multiply
    58,441.86x = 80,645.13 × 35,771.40
  4. Step 4: Simplify right side
    58,441.86x = 2,884,789,203.28
  5. Step 5: Solve for x
    x = 2,884,789,203.28/58,441.86
  6. Step 6: Final answer
    x = 49,361.69

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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.