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Finding the Fourth Proportional to 35,472.44, 48,955.38 and 21,324.98

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Solution

The fourth proportional to 35,472.44, 48,955.38 and 21,324.98 is: 29,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.44 : 48,955.38 = 21,324.98 : x
  2. Step 2: Convert to fraction form
    35,472.44/48,955.38 = 21,324.98/x
  3. Step 3: Cross multiply
    35,472.44x = 48,955.38 × 21,324.98
  4. Step 4: Simplify right side
    35,472.44x = 1,043,972,499.39
  5. Step 5: Solve for x
    x = 1,043,972,499.39/35,472.44
  6. Step 6: Final answer
    x = 29,430.52

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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.