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Finding the Fourth Proportional to 83,282.88, 114,938.28 and 45,562.80

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Solution

The fourth proportional to 83,282.88, 114,938.28 and 45,562.80 is: 62,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,282.88 : 114,938.28 = 45,562.80 : x
  2. Step 2: Convert to fraction form
    83,282.88/114,938.28 = 45,562.80/x
  3. Step 3: Cross multiply
    83,282.88x = 114,938.28 × 45,562.80
  4. Step 4: Simplify right side
    83,282.88x = 5,236,909,863.98
  5. Step 5: Solve for x
    x = 5,236,909,863.98/83,282.88
  6. Step 6: Final answer
    x = 62,880.99

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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.