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Finding the Fourth Proportional to 12,673.77, 19,029.11 and 8,995.52

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Solution

The fourth proportional to 12,673.77, 19,029.11 and 8,995.52 is: 13,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.77 : 19,029.11 = 8,995.52 : x
  2. Step 2: Convert to fraction form
    12,673.77/19,029.11 = 8,995.52/x
  3. Step 3: Cross multiply
    12,673.77x = 19,029.11 × 8,995.52
  4. Step 4: Simplify right side
    12,673.77x = 171,176,599.46
  5. Step 5: Solve for x
    x = 171,176,599.46/12,673.77
  6. Step 6: Final answer
    x = 13,506.37

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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.