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Finding the Fourth Proportional to 62,801.48, 94,238.70 and 20,712.20

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Solution

The fourth proportional to 62,801.48, 94,238.70 and 20,712.20 is: 31,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,801.48 : 94,238.70 = 20,712.20 : x
  2. Step 2: Convert to fraction form
    62,801.48/94,238.70 = 20,712.20/x
  3. Step 3: Cross multiply
    62,801.48x = 94,238.70 × 20,712.20
  4. Step 4: Simplify right side
    62,801.48x = 1,951,890,802.14
  5. Step 5: Solve for x
    x = 1,951,890,802.14/62,801.48
  6. Step 6: Final answer
    x = 31,080.33

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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.