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Finding the Fourth Proportional to 62,753.94, 94,128.03 and 21,201.30

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Solution

The fourth proportional to 62,753.94, 94,128.03 and 21,201.30 is: 31,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,753.94 : 94,128.03 = 21,201.30 : x
  2. Step 2: Convert to fraction form
    62,753.94/94,128.03 = 21,201.30/x
  3. Step 3: Cross multiply
    62,753.94x = 94,128.03 × 21,201.30
  4. Step 4: Simplify right side
    62,753.94x = 1,995,636,602.44
  5. Step 5: Solve for x
    x = 1,995,636,602.44/62,753.94
  6. Step 6: Final answer
    x = 31,800.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.