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Finding the Fourth Proportional to 4,455.66, 6,150.66 and 2,686.88

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Solution

The fourth proportional to 4,455.66, 6,150.66 and 2,686.88 is: 3,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.66 : 6,150.66 = 2,686.88 : x
  2. Step 2: Convert to fraction form
    4,455.66/6,150.66 = 2,686.88/x
  3. Step 3: Cross multiply
    4,455.66x = 6,150.66 × 2,686.88
  4. Step 4: Simplify right side
    4,455.66x = 16,526,085.34
  5. Step 5: Solve for x
    x = 16,526,085.34/4,455.66
  6. Step 6: Final answer
    x = 3,709.01

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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.