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Finding the Fourth Proportional to 7,750.88, 11,624.39 and 3,069.28

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Solution

The fourth proportional to 7,750.88, 11,624.39 and 3,069.28 is: 4,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.88 : 11,624.39 = 3,069.28 : x
  2. Step 2: Convert to fraction form
    7,750.88/11,624.39 = 3,069.28/x
  3. Step 3: Cross multiply
    7,750.88x = 11,624.39 × 3,069.28
  4. Step 4: Simplify right side
    7,750.88x = 35,678,507.74
  5. Step 5: Solve for x
    x = 35,678,507.74/7,750.88
  6. Step 6: Final answer
    x = 4,603.16

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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.