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Finding the Fourth Proportional to 63,740.58, 87,958.77 and 35,440.74

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Solution

The fourth proportional to 63,740.58, 87,958.77 and 35,440.74 is: 48,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,740.58 : 87,958.77 = 35,440.74 : x
  2. Step 2: Convert to fraction form
    63,740.58/87,958.77 = 35,440.74/x
  3. Step 3: Cross multiply
    63,740.58x = 87,958.77 × 35,440.74
  4. Step 4: Simplify right side
    63,740.58x = 3,117,323,898.29
  5. Step 5: Solve for x
    x = 3,117,323,898.29/63,740.58
  6. Step 6: Final answer
    x = 48,906.43

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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.