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Finding the Fourth Proportional to 3,709.95, 5,564.88 and 1,518.68

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Solution

The fourth proportional to 3,709.95, 5,564.88 and 1,518.68 is: 2,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.95 : 5,564.88 = 1,518.68 : x
  2. Step 2: Convert to fraction form
    3,709.95/5,564.88 = 1,518.68/x
  3. Step 3: Cross multiply
    3,709.95x = 5,564.88 × 1,518.68
  4. Step 4: Simplify right side
    3,709.95x = 8,451,244.13
  5. Step 5: Solve for x
    x = 8,451,244.13/3,709.95
  6. Step 6: Final answer
    x = 2,277.99

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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.