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Finding the Fourth Proportional to 51,937.76, 71,672.93 and 30,424.82

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Solution

The fourth proportional to 51,937.76, 71,672.93 and 30,424.82 is: 41,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,937.76 : 71,672.93 = 30,424.82 : x
  2. Step 2: Convert to fraction form
    51,937.76/71,672.93 = 30,424.82/x
  3. Step 3: Cross multiply
    51,937.76x = 71,672.93 × 30,424.82
  4. Step 4: Simplify right side
    51,937.76x = 2,180,635,512.16
  5. Step 5: Solve for x
    x = 2,180,635,512.16/51,937.76
  6. Step 6: Final answer
    x = 41,985.55

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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.