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Finding the Fourth Proportional to 12,073.05, 16,660.74 and 7,602.68

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Solution

The fourth proportional to 12,073.05, 16,660.74 and 7,602.68 is: 10,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.05 : 16,660.74 = 7,602.68 : x
  2. Step 2: Convert to fraction form
    12,073.05/16,660.74 = 7,602.68/x
  3. Step 3: Cross multiply
    12,073.05x = 16,660.74 × 7,602.68
  4. Step 4: Simplify right side
    12,073.05x = 126,666,208.46
  5. Step 5: Solve for x
    x = 126,666,208.46/12,073.05
  6. Step 6: Final answer
    x = 10,491.65

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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.