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Finding the Fourth Proportional to 12,362.39, 17,060.11 and 7,329.09

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Solution

The fourth proportional to 12,362.39, 17,060.11 and 7,329.09 is: 10,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.39 : 17,060.11 = 7,329.09 : x
  2. Step 2: Convert to fraction form
    12,362.39/17,060.11 = 7,329.09/x
  3. Step 3: Cross multiply
    12,362.39x = 17,060.11 × 7,329.09
  4. Step 4: Simplify right side
    12,362.39x = 125,035,127.25
  5. Step 5: Solve for x
    x = 125,035,127.25/12,362.39
  6. Step 6: Final answer
    x = 10,114.16

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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.