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Finding the Fourth Proportional to 38,010.94, 52,454.97 and 21,243.94

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Solution

The fourth proportional to 38,010.94, 52,454.97 and 21,243.94 is: 29,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.94 : 52,454.97 = 21,243.94 : x
  2. Step 2: Convert to fraction form
    38,010.94/52,454.97 = 21,243.94/x
  3. Step 3: Cross multiply
    38,010.94x = 52,454.97 × 21,243.94
  4. Step 4: Simplify right side
    38,010.94x = 1,114,350,247.84
  5. Step 5: Solve for x
    x = 1,114,350,247.84/38,010.94
  6. Step 6: Final answer
    x = 29,316.57

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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.