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Finding the Fourth Proportional to 45,801.68, 68,702.57 and 12,522.03

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Solution

The fourth proportional to 45,801.68, 68,702.57 and 12,522.03 is: 18,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.68 : 68,702.57 = 12,522.03 : x
  2. Step 2: Convert to fraction form
    45,801.68/68,702.57 = 12,522.03/x
  3. Step 3: Cross multiply
    45,801.68x = 68,702.57 × 12,522.03
  4. Step 4: Simplify right side
    45,801.68x = 860,295,642.62
  5. Step 5: Solve for x
    x = 860,295,642.62/45,801.68
  6. Step 6: Final answer
    x = 18,783.06

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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.