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Finding the Fourth Proportional to 62,873.84, 86,784.30 and 37,398.14

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Solution

The fourth proportional to 62,873.84, 86,784.30 and 37,398.14 is: 51,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,873.84 : 86,784.30 = 37,398.14 : x
  2. Step 2: Convert to fraction form
    62,873.84/86,784.30 = 37,398.14/x
  3. Step 3: Cross multiply
    62,873.84x = 86,784.30 × 37,398.14
  4. Step 4: Simplify right side
    62,873.84x = 3,245,571,401.20
  5. Step 5: Solve for x
    x = 3,245,571,401.20/62,873.84
  6. Step 6: Final answer
    x = 51,620.38

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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.