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Finding the Fourth Proportional to 9,141.74, 13,710.60 and 2,568.60

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Solution

The fourth proportional to 9,141.74, 13,710.60 and 2,568.60 is: 3,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.74 : 13,710.60 = 2,568.60 : x
  2. Step 2: Convert to fraction form
    9,141.74/13,710.60 = 2,568.60/x
  3. Step 3: Cross multiply
    9,141.74x = 13,710.60 × 2,568.60
  4. Step 4: Simplify right side
    9,141.74x = 35,217,047.16
  5. Step 5: Solve for x
    x = 35,217,047.16/9,141.74
  6. Step 6: Final answer
    x = 3,852.34

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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.