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Finding the Fourth Proportional to 11,203.68, 16,799.16 and 4,624.40

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Solution

The fourth proportional to 11,203.68, 16,799.16 and 4,624.40 is: 6,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.68 : 16,799.16 = 4,624.40 : x
  2. Step 2: Convert to fraction form
    11,203.68/16,799.16 = 4,624.40/x
  3. Step 3: Cross multiply
    11,203.68x = 16,799.16 × 4,624.40
  4. Step 4: Simplify right side
    11,203.68x = 77,686,035.50
  5. Step 5: Solve for x
    x = 77,686,035.50/11,203.68
  6. Step 6: Final answer
    x = 6,933.97

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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.