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Finding the Fourth Proportional to 5,553.81, 7,664.36 and 3,457.94

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Solution

The fourth proportional to 5,553.81, 7,664.36 and 3,457.94 is: 4,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.81 : 7,664.36 = 3,457.94 : x
  2. Step 2: Convert to fraction form
    5,553.81/7,664.36 = 3,457.94/x
  3. Step 3: Cross multiply
    5,553.81x = 7,664.36 × 3,457.94
  4. Step 4: Simplify right side
    5,553.81x = 26,502,841.41
  5. Step 5: Solve for x
    x = 26,502,841.41/5,553.81
  6. Step 6: Final answer
    x = 4,772.01

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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.