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Finding the Fourth Proportional to 18,353.17, 27,520.02 and 7,259.41

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Solution

The fourth proportional to 18,353.17, 27,520.02 and 7,259.41 is: 10,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.17 : 27,520.02 = 7,259.41 : x
  2. Step 2: Convert to fraction form
    18,353.17/27,520.02 = 7,259.41/x
  3. Step 3: Cross multiply
    18,353.17x = 27,520.02 × 7,259.41
  4. Step 4: Simplify right side
    18,353.17x = 199,779,108.39
  5. Step 5: Solve for x
    x = 199,779,108.39/18,353.17
  6. Step 6: Final answer
    x = 10,885.26

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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.