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Finding the Fourth Proportional to 29,647.84, 40,953.92 and 23,721.88

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Solution

The fourth proportional to 29,647.84, 40,953.92 and 23,721.88 is: 32,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.84 : 40,953.92 = 23,721.88 : x
  2. Step 2: Convert to fraction form
    29,647.84/40,953.92 = 23,721.88/x
  3. Step 3: Cross multiply
    29,647.84x = 40,953.92 × 23,721.88
  4. Step 4: Simplify right side
    29,647.84x = 971,503,975.77
  5. Step 5: Solve for x
    x = 971,503,975.77/29,647.84
  6. Step 6: Final answer
    x = 32,768.12

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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.