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Finding the Fourth Proportional to 68,282.70, 94,228.30 and 39,600.58

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Solution

The fourth proportional to 68,282.70, 94,228.30 and 39,600.58 is: 54,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,282.70 : 94,228.30 = 39,600.58 : x
  2. Step 2: Convert to fraction form
    68,282.70/94,228.30 = 39,600.58/x
  3. Step 3: Cross multiply
    68,282.70x = 94,228.30 × 39,600.58
  4. Step 4: Simplify right side
    68,282.70x = 3,731,495,332.41
  5. Step 5: Solve for x
    x = 3,731,495,332.41/68,282.70
  6. Step 6: Final answer
    x = 54,647.74

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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.