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Finding the Fourth Proportional to 70,624.86, 97,476.22 and 40,003.44

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Solution

The fourth proportional to 70,624.86, 97,476.22 and 40,003.44 is: 55,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,624.86 : 97,476.22 = 40,003.44 : x
  2. Step 2: Convert to fraction form
    70,624.86/97,476.22 = 40,003.44/x
  3. Step 3: Cross multiply
    70,624.86x = 97,476.22 × 40,003.44
  4. Step 4: Simplify right side
    70,624.86x = 3,899,384,118.20
  5. Step 5: Solve for x
    x = 3,899,384,118.20/70,624.86
  6. Step 6: Final answer
    x = 55,212.63

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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.