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Finding the Fourth Proportional to 38,369.61, 57,494.70 and 14,664.21

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Solution

The fourth proportional to 38,369.61, 57,494.70 and 14,664.21 is: 21,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,369.61 : 57,494.70 = 14,664.21 : x
  2. Step 2: Convert to fraction form
    38,369.61/57,494.70 = 14,664.21/x
  3. Step 3: Cross multiply
    38,369.61x = 57,494.70 × 14,664.21
  4. Step 4: Simplify right side
    38,369.61x = 843,114,354.69
  5. Step 5: Solve for x
    x = 843,114,354.69/38,369.61
  6. Step 6: Final answer
    x = 21,973.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.