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Finding the Fourth Proportional to 4,675.82, 7,013.93 and 1,555.70

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Solution

The fourth proportional to 4,675.82, 7,013.93 and 1,555.70 is: 2,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.82 : 7,013.93 = 1,555.70 : x
  2. Step 2: Convert to fraction form
    4,675.82/7,013.93 = 1,555.70/x
  3. Step 3: Cross multiply
    4,675.82x = 7,013.93 × 1,555.70
  4. Step 4: Simplify right side
    4,675.82x = 10,911,528.05
  5. Step 5: Solve for x
    x = 10,911,528.05/4,675.82
  6. Step 6: Final answer
    x = 2,333.61

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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.