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Finding the Fourth Proportional to 6,320.17, 8,721.75 and 3,525.67

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Solution

The fourth proportional to 6,320.17, 8,721.75 and 3,525.67 is: 4,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.17 : 8,721.75 = 3,525.67 : x
  2. Step 2: Convert to fraction form
    6,320.17/8,721.75 = 3,525.67/x
  3. Step 3: Cross multiply
    6,320.17x = 8,721.75 × 3,525.67
  4. Step 4: Simplify right side
    6,320.17x = 30,750,012.32
  5. Step 5: Solve for x
    x = 30,750,012.32/6,320.17
  6. Step 6: Final answer
    x = 4,865.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.