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Finding the Fourth Proportional to 4,698.72, 7,048.13 and 1,235.97

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Solution

The fourth proportional to 4,698.72, 7,048.13 and 1,235.97 is: 1,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.72 : 7,048.13 = 1,235.97 : x
  2. Step 2: Convert to fraction form
    4,698.72/7,048.13 = 1,235.97/x
  3. Step 3: Cross multiply
    4,698.72x = 7,048.13 × 1,235.97
  4. Step 4: Simplify right side
    4,698.72x = 8,711,277.24
  5. Step 5: Solve for x
    x = 8,711,277.24/4,698.72
  6. Step 6: Final answer
    x = 1,853.97

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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.