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Finding the Fourth Proportional to 7,568.64, 11,346.48 and 4,965.84

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Solution

The fourth proportional to 7,568.64, 11,346.48 and 4,965.84 is: 7,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.64 : 11,346.48 = 4,965.84 : x
  2. Step 2: Convert to fraction form
    7,568.64/11,346.48 = 4,965.84/x
  3. Step 3: Cross multiply
    7,568.64x = 11,346.48 × 4,965.84
  4. Step 4: Simplify right side
    7,568.64x = 56,344,804.24
  5. Step 5: Solve for x
    x = 56,344,804.24/7,568.64
  6. Step 6: Final answer
    x = 7,444.51

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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.