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Finding the Fourth Proportional to 7,072.66, 10,675.45 and 7,072.66

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Solution

The fourth proportional to 7,072.66, 10,675.45 and 7,072.66 is: 10,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.66 : 10,675.45 = 7,072.66 : x
  2. Step 2: Convert to fraction form
    7,072.66/10,675.45 = 7,072.66/x
  3. Step 3: Cross multiply
    7,072.66x = 10,675.45 × 7,072.66
  4. Step 4: Simplify right side
    7,072.66x = 75,503,774.82
  5. Step 5: Solve for x
    x = 75,503,774.82/7,072.66
  6. Step 6: Final answer
    x = 10,675.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.