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Finding the Fourth Proportional to 16,702.62, 23,065.11 and 12,503.58

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Solution

The fourth proportional to 16,702.62, 23,065.11 and 12,503.58 is: 17,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.62 : 23,065.11 = 12,503.58 : x
  2. Step 2: Convert to fraction form
    16,702.62/23,065.11 = 12,503.58/x
  3. Step 3: Cross multiply
    16,702.62x = 23,065.11 × 12,503.58
  4. Step 4: Simplify right side
    16,702.62x = 288,396,448.09
  5. Step 5: Solve for x
    x = 288,396,448.09/16,702.62
  6. Step 6: Final answer
    x = 17,266.54

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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.