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Finding the Fourth Proportional to 7,073.49, 10,599.30 and 5,215.77

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Solution

The fourth proportional to 7,073.49, 10,599.30 and 5,215.77 is: 7,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.49 : 10,599.30 = 5,215.77 : x
  2. Step 2: Convert to fraction form
    7,073.49/10,599.30 = 5,215.77/x
  3. Step 3: Cross multiply
    7,073.49x = 10,599.30 × 5,215.77
  4. Step 4: Simplify right side
    7,073.49x = 55,283,510.96
  5. Step 5: Solve for x
    x = 55,283,510.96/7,073.49
  6. Step 6: Final answer
    x = 7,815.59

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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.