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Finding the Fourth Proportional to 11,464.84, 17,220.30 and 10,019.08

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Solution

The fourth proportional to 11,464.84, 17,220.30 and 10,019.08 is: 15,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.84 : 17,220.30 = 10,019.08 : x
  2. Step 2: Convert to fraction form
    11,464.84/17,220.30 = 10,019.08/x
  3. Step 3: Cross multiply
    11,464.84x = 17,220.30 × 10,019.08
  4. Step 4: Simplify right side
    11,464.84x = 172,531,563.32
  5. Step 5: Solve for x
    x = 172,531,563.32/11,464.84
  6. Step 6: Final answer
    x = 15,048.75

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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.