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Finding the Fourth Proportional to 9,065.93, 13,604.28 and 4,905.85

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Solution

The fourth proportional to 9,065.93, 13,604.28 and 4,905.85 is: 7,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.93 : 13,604.28 = 4,905.85 : x
  2. Step 2: Convert to fraction form
    9,065.93/13,604.28 = 4,905.85/x
  3. Step 3: Cross multiply
    9,065.93x = 13,604.28 × 4,905.85
  4. Step 4: Simplify right side
    9,065.93x = 66,740,532.51
  5. Step 5: Solve for x
    x = 66,740,532.51/9,065.93
  6. Step 6: Final answer
    x = 7,361.69

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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.