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Finding the Fourth Proportional to 62,900.82, 86,803.38 and 36,043.92

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Solution

The fourth proportional to 62,900.82, 86,803.38 and 36,043.92 is: 49,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,900.82 : 86,803.38 = 36,043.92 : x
  2. Step 2: Convert to fraction form
    62,900.82/86,803.38 = 36,043.92/x
  3. Step 3: Cross multiply
    62,900.82x = 86,803.38 × 36,043.92
  4. Step 4: Simplify right side
    62,900.82x = 3,128,734,084.45
  5. Step 5: Solve for x
    x = 3,128,734,084.45/62,900.82
  6. Step 6: Final answer
    x = 49,740.75

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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.