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Finding the Fourth Proportional to 12,079.52, 16,675.52 and 7,605.44

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Solution

The fourth proportional to 12,079.52, 16,675.52 and 7,605.44 is: 10,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.52 : 16,675.52 = 7,605.44 : x
  2. Step 2: Convert to fraction form
    12,079.52/16,675.52 = 7,605.44/x
  3. Step 3: Cross multiply
    12,079.52x = 16,675.52 × 7,605.44
  4. Step 4: Simplify right side
    12,079.52x = 126,824,666.83
  5. Step 5: Solve for x
    x = 126,824,666.83/12,079.52
  6. Step 6: Final answer
    x = 10,499.15

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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.