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Finding the Fourth Proportional to 4,703.81, 7,055.78 and 2,238.89

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Solution

The fourth proportional to 4,703.81, 7,055.78 and 2,238.89 is: 3,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.81 : 7,055.78 = 2,238.89 : x
  2. Step 2: Convert to fraction form
    4,703.81/7,055.78 = 2,238.89/x
  3. Step 3: Cross multiply
    4,703.81x = 7,055.78 × 2,238.89
  4. Step 4: Simplify right side
    4,703.81x = 15,797,068.81
  5. Step 5: Solve for x
    x = 15,797,068.81/4,703.81
  6. Step 6: Final answer
    x = 3,358.36

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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.