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Finding the Fourth Proportional to 13,062.07, 18,025.65 and 7,473.07

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Solution

The fourth proportional to 13,062.07, 18,025.65 and 7,473.07 is: 10,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.07 : 18,025.65 = 7,473.07 : x
  2. Step 2: Convert to fraction form
    13,062.07/18,025.65 = 7,473.07/x
  3. Step 3: Cross multiply
    13,062.07x = 18,025.65 × 7,473.07
  4. Step 4: Simplify right side
    13,062.07x = 134,706,944.25
  5. Step 5: Solve for x
    x = 134,706,944.25/13,062.07
  6. Step 6: Final answer
    x = 10,312.83

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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.