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Finding the Fourth Proportional to 4,699.98, 7,013.19 and 4,672.65

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Solution

The fourth proportional to 4,699.98, 7,013.19 and 4,672.65 is: 6,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.98 : 7,013.19 = 4,672.65 : x
  2. Step 2: Convert to fraction form
    4,699.98/7,013.19 = 4,672.65/x
  3. Step 3: Cross multiply
    4,699.98x = 7,013.19 × 4,672.65
  4. Step 4: Simplify right side
    4,699.98x = 32,770,182.25
  5. Step 5: Solve for x
    x = 32,770,182.25/4,699.98
  6. Step 6: Final answer
    x = 6,972.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.