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Finding the Fourth Proportional to 11,488.84, 17,223.84 and 4,089.08

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Solution

The fourth proportional to 11,488.84, 17,223.84 and 4,089.08 is: 6,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.84 : 17,223.84 = 4,089.08 : x
  2. Step 2: Convert to fraction form
    11,488.84/17,223.84 = 4,089.08/x
  3. Step 3: Cross multiply
    11,488.84x = 17,223.84 × 4,089.08
  4. Step 4: Simplify right side
    11,488.84x = 70,429,659.67
  5. Step 5: Solve for x
    x = 70,429,659.67/11,488.84
  6. Step 6: Final answer
    x = 6,130.27

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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.