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Finding the Fourth Proportional to 12,426.66, 17,148.66 and 7,050.09

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Solution

The fourth proportional to 12,426.66, 17,148.66 and 7,050.09 is: 9,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.66 : 17,148.66 = 7,050.09 : x
  2. Step 2: Convert to fraction form
    12,426.66/17,148.66 = 7,050.09/x
  3. Step 3: Cross multiply
    12,426.66x = 17,148.66 × 7,050.09
  4. Step 4: Simplify right side
    12,426.66x = 120,899,596.38
  5. Step 5: Solve for x
    x = 120,899,596.38/12,426.66
  6. Step 6: Final answer
    x = 9,729.05

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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.