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Finding the Fourth Proportional to 12,255.63, 16,802.61 and 12,034.20

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Solution

The fourth proportional to 12,255.63, 16,802.61 and 12,034.20 is: 16,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.63 : 16,802.61 = 12,034.20 : x
  2. Step 2: Convert to fraction form
    12,255.63/16,802.61 = 12,034.20/x
  3. Step 3: Cross multiply
    12,255.63x = 16,802.61 × 12,034.20
  4. Step 4: Simplify right side
    12,255.63x = 202,205,957.34
  5. Step 5: Solve for x
    x = 202,205,957.34/12,255.63
  6. Step 6: Final answer
    x = 16,499.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.