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Finding the Fourth Proportional to 83,282.84, 114,933.03 and 45,557.09

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Solution

The fourth proportional to 83,282.84, 114,933.03 and 45,557.09 is: 62,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,282.84 : 114,933.03 = 45,557.09 : x
  2. Step 2: Convert to fraction form
    83,282.84/114,933.03 = 45,557.09/x
  3. Step 3: Cross multiply
    83,282.84x = 114,933.03 × 45,557.09
  4. Step 4: Simplify right side
    83,282.84x = 5,236,014,391.68
  5. Step 5: Solve for x
    x = 5,236,014,391.68/83,282.84
  6. Step 6: Final answer
    x = 62,870.27

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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.