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Finding the Fourth Proportional to 13,477.05, 18,599.10 and 7,508.97

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Solution

The fourth proportional to 13,477.05, 18,599.10 and 7,508.97 is: 10,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.05 : 18,599.10 = 7,508.97 : x
  2. Step 2: Convert to fraction form
    13,477.05/18,599.10 = 7,508.97/x
  3. Step 3: Cross multiply
    13,477.05x = 18,599.10 × 7,508.97
  4. Step 4: Simplify right side
    13,477.05x = 139,660,083.93
  5. Step 5: Solve for x
    x = 139,660,083.93/13,477.05
  6. Step 6: Final answer
    x = 10,362.81

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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.