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Finding the Fourth Proportional to 38,016, 52,462.08 and 21,252.24

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Solution

The fourth proportional to 38,016, 52,462.08 and 21,252.24 is: 29,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016 : 52,462.08 = 21,252.24 : x
  2. Step 2: Convert to fraction form
    38,016/52,462.08 = 21,252.24/x
  3. Step 3: Cross multiply
    38,016x = 52,462.08 × 21,252.24
  4. Step 4: Simplify right side
    38,016x = 1,114,936,715.06
  5. Step 5: Solve for x
    x = 1,114,936,715.06/38,016
  6. Step 6: Final answer
    x = 29,328.09

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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.