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Finding the Fourth Proportional to 2,473.39, 3,709.23 and 913.06

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Solution

The fourth proportional to 2,473.39, 3,709.23 and 913.06 is: 1,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.39 : 3,709.23 = 913.06 : x
  2. Step 2: Convert to fraction form
    2,473.39/3,709.23 = 913.06/x
  3. Step 3: Cross multiply
    2,473.39x = 3,709.23 × 913.06
  4. Step 4: Simplify right side
    2,473.39x = 3,386,749.54
  5. Step 5: Solve for x
    x = 3,386,749.54/2,473.39
  6. Step 6: Final answer
    x = 1,369.27

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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.