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Finding the Fourth Proportional to 12,036.52, 16,605.30 and 8,008.12

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Solution

The fourth proportional to 12,036.52, 16,605.30 and 8,008.12 is: 11,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.52 : 16,605.30 = 8,008.12 : x
  2. Step 2: Convert to fraction form
    12,036.52/16,605.30 = 8,008.12/x
  3. Step 3: Cross multiply
    12,036.52x = 16,605.30 × 8,008.12
  4. Step 4: Simplify right side
    12,036.52x = 132,977,235.04
  5. Step 5: Solve for x
    x = 132,977,235.04/12,036.52
  6. Step 6: Final answer
    x = 11,047.81

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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.