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Finding the Fourth Proportional to 2,473.76, 3,709.44 and 914.50

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Solution

The fourth proportional to 2,473.76, 3,709.44 and 914.50 is: 1,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.76 : 3,709.44 = 914.50 : x
  2. Step 2: Convert to fraction form
    2,473.76/3,709.44 = 914.50/x
  3. Step 3: Cross multiply
    2,473.76x = 3,709.44 × 914.50
  4. Step 4: Simplify right side
    2,473.76x = 3,392,259.76
  5. Step 5: Solve for x
    x = 3,392,259.76/2,473.76
  6. Step 6: Final answer
    x = 1,371.30

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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.