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Finding the Fourth Proportional to 68,702.50, 103,065.32 and 23,711.59

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Solution

The fourth proportional to 68,702.50, 103,065.32 and 23,711.59 is: 35,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,702.50 : 103,065.32 = 23,711.59 : x
  2. Step 2: Convert to fraction form
    68,702.50/103,065.32 = 23,711.59/x
  3. Step 3: Cross multiply
    68,702.50x = 103,065.32 × 23,711.59
  4. Step 4: Simplify right side
    68,702.50x = 2,443,842,611.06
  5. Step 5: Solve for x
    x = 2,443,842,611.06/68,702.50
  6. Step 6: Final answer
    x = 35,571.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.