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Finding the Fourth Proportional to 5,330.65, 7,995.95 and 1,632.90

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Solution

The fourth proportional to 5,330.65, 7,995.95 and 1,632.90 is: 2,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.65 : 7,995.95 = 1,632.90 : x
  2. Step 2: Convert to fraction form
    5,330.65/7,995.95 = 1,632.90/x
  3. Step 3: Cross multiply
    5,330.65x = 7,995.95 × 1,632.90
  4. Step 4: Simplify right side
    5,330.65x = 13,056,586.76
  5. Step 5: Solve for x
    x = 13,056,586.76/5,330.65
  6. Step 6: Final answer
    x = 2,449.34

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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.