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Finding the Fourth Proportional to 34,459.20, 51,697.80 and 11,086.20

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Solution

The fourth proportional to 34,459.20, 51,697.80 and 11,086.20 is: 16,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,459.20 : 51,697.80 = 11,086.20 : x
  2. Step 2: Convert to fraction form
    34,459.20/51,697.80 = 11,086.20/x
  3. Step 3: Cross multiply
    34,459.20x = 51,697.80 × 11,086.20
  4. Step 4: Simplify right side
    34,459.20x = 573,132,150.36
  5. Step 5: Solve for x
    x = 573,132,150.36/34,459.20
  6. Step 6: Final answer
    x = 16,632.20

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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.