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Finding the Fourth Proportional to 13,038.66, 17,993.22 and 7,373.52

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Solution

The fourth proportional to 13,038.66, 17,993.22 and 7,373.52 is: 10,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.66 : 17,993.22 = 7,373.52 : x
  2. Step 2: Convert to fraction form
    13,038.66/17,993.22 = 7,373.52/x
  3. Step 3: Cross multiply
    13,038.66x = 17,993.22 × 7,373.52
  4. Step 4: Simplify right side
    13,038.66x = 132,673,367.53
  5. Step 5: Solve for x
    x = 132,673,367.53/13,038.66
  6. Step 6: Final answer
    x = 10,175.38

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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.