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Finding the Fourth Proportional to 7,072.88, 10,523.38 and 7,048.67

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Solution

The fourth proportional to 7,072.88, 10,523.38 and 7,048.67 is: 10,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.88 : 10,523.38 = 7,048.67 : x
  2. Step 2: Convert to fraction form
    7,072.88/10,523.38 = 7,048.67/x
  3. Step 3: Cross multiply
    7,072.88x = 10,523.38 × 7,048.67
  4. Step 4: Simplify right side
    7,072.88x = 74,175,832.90
  5. Step 5: Solve for x
    x = 74,175,832.90/7,072.88
  6. Step 6: Final answer
    x = 10,487.36

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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.