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Finding the Fourth Proportional to 30,057.66, 41,487.93 and 17,484.84

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Solution

The fourth proportional to 30,057.66, 41,487.93 and 17,484.84 is: 24,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.66 : 41,487.93 = 17,484.84 : x
  2. Step 2: Convert to fraction form
    30,057.66/41,487.93 = 17,484.84/x
  3. Step 3: Cross multiply
    30,057.66x = 41,487.93 × 17,484.84
  4. Step 4: Simplify right side
    30,057.66x = 725,409,817.98
  5. Step 5: Solve for x
    x = 725,409,817.98/30,057.66
  6. Step 6: Final answer
    x = 24,133.94

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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.