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Finding the Fourth Proportional to 12,272.80, 16,594.20 and 12,272.80

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Solution

The fourth proportional to 12,272.80, 16,594.20 and 12,272.80 is: 16,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.80 : 16,594.20 = 12,272.80 : x
  2. Step 2: Convert to fraction form
    12,272.80/16,594.20 = 12,272.80/x
  3. Step 3: Cross multiply
    12,272.80x = 16,594.20 × 12,272.80
  4. Step 4: Simplify right side
    12,272.80x = 203,657,297.76
  5. Step 5: Solve for x
    x = 203,657,297.76/12,272.80
  6. Step 6: Final answer
    x = 16,594.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.