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Finding the Fourth Proportional to 48,253.84, 72,709.48 and 39,680.80

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Solution

The fourth proportional to 48,253.84, 72,709.48 and 39,680.80 is: 59,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,253.84 : 72,709.48 = 39,680.80 : x
  2. Step 2: Convert to fraction form
    48,253.84/72,709.48 = 39,680.80/x
  3. Step 3: Cross multiply
    48,253.84x = 72,709.48 × 39,680.80
  4. Step 4: Simplify right side
    48,253.84x = 2,885,170,333.98
  5. Step 5: Solve for x
    x = 2,885,170,333.98/48,253.84
  6. Step 6: Final answer
    x = 59,791.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.