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Finding the Fourth Proportional to 12,673.46, 17,489.05 and 7,008.05

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Solution

The fourth proportional to 12,673.46, 17,489.05 and 7,008.05 is: 9,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.46 : 17,489.05 = 7,008.05 : x
  2. Step 2: Convert to fraction form
    12,673.46/17,489.05 = 7,008.05/x
  3. Step 3: Cross multiply
    12,673.46x = 17,489.05 × 7,008.05
  4. Step 4: Simplify right side
    12,673.46x = 122,564,163.05
  5. Step 5: Solve for x
    x = 122,564,163.05/12,673.46
  6. Step 6: Final answer
    x = 9,670.93

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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.