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Finding the Fourth Proportional to 12,079.82, 18,124.95 and 6,537.08

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Solution

The fourth proportional to 12,079.82, 18,124.95 and 6,537.08 is: 9,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.82 : 18,124.95 = 6,537.08 : x
  2. Step 2: Convert to fraction form
    12,079.82/18,124.95 = 6,537.08/x
  3. Step 3: Cross multiply
    12,079.82x = 18,124.95 × 6,537.08
  4. Step 4: Simplify right side
    12,079.82x = 118,484,124.84
  5. Step 5: Solve for x
    x = 118,484,124.84/12,079.82
  6. Step 6: Final answer
    x = 9,808.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.