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Finding the Fourth Proportional to 13,473.17, 18,590.81 and 7,504.82

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Solution

The fourth proportional to 13,473.17, 18,590.81 and 7,504.82 is: 10,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.17 : 18,590.81 = 7,504.82 : x
  2. Step 2: Convert to fraction form
    13,473.17/18,590.81 = 7,504.82/x
  3. Step 3: Cross multiply
    13,473.17x = 18,590.81 × 7,504.82
  4. Step 4: Simplify right side
    13,473.17x = 139,520,552.23
  5. Step 5: Solve for x
    x = 139,520,552.23/13,473.17
  6. Step 6: Final answer
    x = 10,355.44

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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.