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Finding the Fourth Proportional to 29,753, 41,113.47 and 21,672.59

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Solution

The fourth proportional to 29,753, 41,113.47 and 21,672.59 is: 29,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,753 : 41,113.47 = 21,672.59 : x
  2. Step 2: Convert to fraction form
    29,753/41,113.47 = 21,672.59/x
  3. Step 3: Cross multiply
    29,753x = 41,113.47 × 21,672.59
  4. Step 4: Simplify right side
    29,753x = 891,035,378.79
  5. Step 5: Solve for x
    x = 891,035,378.79/29,753
  6. Step 6: Final answer
    x = 29,947.75

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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.