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Finding the Fourth Proportional to 38,043.48, 52,500 and 21,276.48

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Solution

The fourth proportional to 38,043.48, 52,500 and 21,276.48 is: 29,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.48 : 52,500 = 21,276.48 : x
  2. Step 2: Convert to fraction form
    38,043.48/52,500 = 21,276.48/x
  3. Step 3: Cross multiply
    38,043.48x = 52,500 × 21,276.48
  4. Step 4: Simplify right side
    38,043.48x = 1,117,015,200
  5. Step 5: Solve for x
    x = 1,117,015,200/38,043.48
  6. Step 6: Final answer
    x = 29,361.54

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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.