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Finding the Fourth Proportional to 4,706.50, 7,060.86 and 1,628.50

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Solution

The fourth proportional to 4,706.50, 7,060.86 and 1,628.50 is: 2,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,706.50 : 7,060.86 = 1,628.50 : x
  2. Step 2: Convert to fraction form
    4,706.50/7,060.86 = 1,628.50/x
  3. Step 3: Cross multiply
    4,706.50x = 7,060.86 × 1,628.50
  4. Step 4: Simplify right side
    4,706.50x = 11,498,610.51
  5. Step 5: Solve for x
    x = 11,498,610.51/4,706.50
  6. Step 6: Final answer
    x = 2,443.13

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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.