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Finding the Fourth Proportional to 3,568.07, 5,352.74 and 1,228.32

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Solution

The fourth proportional to 3,568.07, 5,352.74 and 1,228.32 is: 1,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.07 : 5,352.74 = 1,228.32 : x
  2. Step 2: Convert to fraction form
    3,568.07/5,352.74 = 1,228.32/x
  3. Step 3: Cross multiply
    3,568.07x = 5,352.74 × 1,228.32
  4. Step 4: Simplify right side
    3,568.07x = 6,574,871.46
  5. Step 5: Solve for x
    x = 6,574,871.46/3,568.07
  6. Step 6: Final answer
    x = 1,842.70

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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.