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Finding the Fourth Proportional to 3,507.77, 4,835.90 and 2,549.75

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Solution

The fourth proportional to 3,507.77, 4,835.90 and 2,549.75 is: 3,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.77 : 4,835.90 = 2,549.75 : x
  2. Step 2: Convert to fraction form
    3,507.77/4,835.90 = 2,549.75/x
  3. Step 3: Cross multiply
    3,507.77x = 4,835.90 × 2,549.75
  4. Step 4: Simplify right side
    3,507.77x = 12,330,318.22
  5. Step 5: Solve for x
    x = 12,330,318.22/3,507.77
  6. Step 6: Final answer
    x = 3,515.14

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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.