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Finding the Fourth Proportional to 11,036.70, 16,555.05 and 8,849.70

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Solution

The fourth proportional to 11,036.70, 16,555.05 and 8,849.70 is: 13,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.70 : 16,555.05 = 8,849.70 : x
  2. Step 2: Convert to fraction form
    11,036.70/16,555.05 = 8,849.70/x
  3. Step 3: Cross multiply
    11,036.70x = 16,555.05 × 8,849.70
  4. Step 4: Simplify right side
    11,036.70x = 146,507,225.99
  5. Step 5: Solve for x
    x = 146,507,225.99/11,036.70
  6. Step 6: Final answer
    x = 13,274.55

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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.