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Finding the Fourth Proportional to 13,261.02, 18,301 and 7,293.14

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Solution

The fourth proportional to 13,261.02, 18,301 and 7,293.14 is: 10,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.02 : 18,301 = 7,293.14 : x
  2. Step 2: Convert to fraction form
    13,261.02/18,301 = 7,293.14/x
  3. Step 3: Cross multiply
    13,261.02x = 18,301 × 7,293.14
  4. Step 4: Simplify right side
    13,261.02x = 133,471,755.14
  5. Step 5: Solve for x
    x = 133,471,755.14/13,261.02
  6. Step 6: Final answer
    x = 10,064.97

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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.