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Finding the Fourth Proportional to 6,632.47, 9,154.11 and 3,801.74

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Solution

The fourth proportional to 6,632.47, 9,154.11 and 3,801.74 is: 5,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.47 : 9,154.11 = 3,801.74 : x
  2. Step 2: Convert to fraction form
    6,632.47/9,154.11 = 3,801.74/x
  3. Step 3: Cross multiply
    6,632.47x = 9,154.11 × 3,801.74
  4. Step 4: Simplify right side
    6,632.47x = 34,801,536.65
  5. Step 5: Solve for x
    x = 34,801,536.65/6,632.47
  6. Step 6: Final answer
    x = 5,247.15

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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.