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Finding the Fourth Proportional to 3,167.04, 4,778.88 and 3,047.04

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Solution

The fourth proportional to 3,167.04, 4,778.88 and 3,047.04 is: 4,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.04 : 4,778.88 = 3,047.04 : x
  2. Step 2: Convert to fraction form
    3,167.04/4,778.88 = 3,047.04/x
  3. Step 3: Cross multiply
    3,167.04x = 4,778.88 × 3,047.04
  4. Step 4: Simplify right side
    3,167.04x = 14,561,438.52
  5. Step 5: Solve for x
    x = 14,561,438.52/3,167.04
  6. Step 6: Final answer
    x = 4,597.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.