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Finding the Fourth Proportional to 18,344.68, 27,501.48 and 7,259.19

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Solution

The fourth proportional to 18,344.68, 27,501.48 and 7,259.19 is: 10,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.68 : 27,501.48 = 7,259.19 : x
  2. Step 2: Convert to fraction form
    18,344.68/27,501.48 = 7,259.19/x
  3. Step 3: Cross multiply
    18,344.68x = 27,501.48 × 7,259.19
  4. Step 4: Simplify right side
    18,344.68x = 199,638,468.60
  5. Step 5: Solve for x
    x = 199,638,468.60/18,344.68
  6. Step 6: Final answer
    x = 10,882.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.