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Finding the Fourth Proportional to 7,072.65, 10,608.98 and 7,029.45

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Solution

The fourth proportional to 7,072.65, 10,608.98 and 7,029.45 is: 10,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.65 : 10,608.98 = 7,029.45 : x
  2. Step 2: Convert to fraction form
    7,072.65/10,608.98 = 7,029.45/x
  3. Step 3: Cross multiply
    7,072.65x = 10,608.98 × 7,029.45
  4. Step 4: Simplify right side
    7,072.65x = 74,575,259.31
  5. Step 5: Solve for x
    x = 74,575,259.31/7,072.65
  6. Step 6: Final answer
    x = 10,544.18

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Similar ratio
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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.