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Finding the Fourth Proportional to 11,459.17, 17,186.01 and 8,375.50

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Solution

The fourth proportional to 11,459.17, 17,186.01 and 8,375.50 is: 12,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.17 : 17,186.01 = 8,375.50 : x
  2. Step 2: Convert to fraction form
    11,459.17/17,186.01 = 8,375.50/x
  3. Step 3: Cross multiply
    11,459.17x = 17,186.01 × 8,375.50
  4. Step 4: Simplify right side
    11,459.17x = 143,941,426.76
  5. Step 5: Solve for x
    x = 143,941,426.76/11,459.17
  6. Step 6: Final answer
    x = 12,561.24

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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.