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Finding the Fourth Proportional to 4,322.64, 5,966.44 and 2,555.22

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Solution

The fourth proportional to 4,322.64, 5,966.44 and 2,555.22 is: 3,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.64 : 5,966.44 = 2,555.22 : x
  2. Step 2: Convert to fraction form
    4,322.64/5,966.44 = 2,555.22/x
  3. Step 3: Cross multiply
    4,322.64x = 5,966.44 × 2,555.22
  4. Step 4: Simplify right side
    4,322.64x = 15,245,566.82
  5. Step 5: Solve for x
    x = 15,245,566.82/4,322.64
  6. Step 6: Final answer
    x = 3,526.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.