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Finding the Fourth Proportional to 9,169.40, 13,754.55 and 4,795.40

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Solution

The fourth proportional to 9,169.40, 13,754.55 and 4,795.40 is: 7,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.40 : 13,754.55 = 4,795.40 : x
  2. Step 2: Convert to fraction form
    9,169.40/13,754.55 = 4,795.40/x
  3. Step 3: Cross multiply
    9,169.40x = 13,754.55 × 4,795.40
  4. Step 4: Simplify right side
    9,169.40x = 65,958,569.07
  5. Step 5: Solve for x
    x = 65,958,569.07/9,169.40
  6. Step 6: Final answer
    x = 7,193.34

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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.